1) ASSERTION-Atom is the smallest unit of molecule
REASON-Atom is not seen by our naked eyes
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
2) ASSERTION-Atom is the smallest unit of molecule
REASON-Atoms are combined with each other forming molecule.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
3) ASSERTION-Mass can neither be created nor destroyed in chemical reaction
REASON-Mass can convert its own form while chemical reaction been complete.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
4) ASSERTION-Mass can be created and also destroyed in chemical reaction
REASON-Mass can convert its own form while chemical reaction been complete.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are false.
5) ASSERTION-In a water compound ration of mass of hydrogen to oxygen is always 1:8.
REASON- Standard weight of hydrogen molecule is 8 gram
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true, but Reason is false.
6) ASSERTION-In a water compound ration of mass of hydrogen to oxygen is always 1:8.
REASON- Standard weight of Oxygen molecule is 8 grams
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true, but Reason is false.
7) ASSERTION-In a water compound ration of mass of hydrogen to oxygen is always 1:8.
REASON- Standard weight of Oxygen molecule is 1 gram
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true, but Reason is false.
8) ASSERTION-In a water compound ration of mass of hydrogen to oxygen is always 1:8.
REASON- In a chemical substance the elements are always present in definite proportions by mass.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
9) ASSERTION-In a water compound ration of mass of hydrogen to oxygen is always 1:8.
REASON- In the water molecule Oxygen and Hydrogen is always present in definite proportions by mass that is the reason it is become stable molecule.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
10) ASSERTION-In the ammonia molecule Nitrogen and Hydrogen are always present in the ratio 3:14.
REASON-In a chemical substance the elements are not always present in definite proportions by mass.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are false.
11) ASSERTION-In the ammonia molecule Nitrogen and Hydrogen are always present in the ratio 14:3
REASON-In a chemical substance the elements arealways present in definite proportions by mass.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
12) ASSERTION-In the ammonia molecule Nitrogen and Hydrogen are always present in the ratio 14:2
REASON-In the ammonia elements are not present in the definite proportions by mass.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are false.
13) ASSERTION-Atoms are always taking part in chemical reaction.
REASON-Atoms are the catalyst.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
14) ASSERTION-Atoms are always taking part in chemical reaction.
REASON-Atoms is always exist in the gas form hence it always found in chemical reaction.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
15) ASSERTION-Atoms are always taking part in chemical reaction.
REASON-Atoms are tiny particle of molecule hence every chemical reaction happens by those tiny particles called atom.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
16) ASSERTION-The symbol of iron is Fe.
REASON-Iron is the hard metal
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
17) ASSERTION-The symbol of iron is Fe.
REASON-Iron is the soft matter.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
18) ASSERTION-The symbol of iron is Fe.
REASON-Latin name of iron is ferrum.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
19) ASSERTION-The symbol of sodium is Na.
REASON-Latin name of Sodium is ferrum.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
20) ASSERTION-The symbol of sodium is Fe.
REASON-Latin name of Sodium is ferrum.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are false.
21) ASSERTION-One atomic mass unit equal to exactly one-twelfth the mass of one atom of carbon-12.
REASON-The relative atomic masses of all elements have been found with respect to an atom of carbon-12.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
22) ASSERTION-Oxygen molecule is known as diatomic molecule.
REASON-Oxygen is always takes part in chemical reaction.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
23) ASSERTION-Oxygen molecule is known as diatomic molecule.
REASON-Oxygen is always taking part for making molecule.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
24) ASSERTION-Oxygen molecule is known as diatomic molecule.
REASON-Two Oxygen atoms get combine and for molecule hence it called diatomic molecule.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
25) ASSERTION-Sodium chloride molecule is made up of two different ions.
REASON-Sodium chloride is usually used for making food.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
26) ASSERTION-Sodium chloride molecule is made up of two different ions.
REASON-Sodium chloride is known as baking soda.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
27) ASSERTION-Sodium chloride molecule is made up of two different ions.
REASON-In the sodium chloride molecule, sodium carries positive charge and chlorine carries neutral charge.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
28) ASSERTION-Sodium chloride molecule is made up of two different ions.
REASON-In the sodium chloride molecule, sodium carries positive charge and chlorine carries negative charge.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
29) ASSERTION-The combining power of an element is known as its valency.
REASON-valency can be used to find out how the atoms of an element will combine with the atoms of another element to form chemical compound.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
30) ASSERTION-The combining power of an element is known as its charge.
REASON-valency can be used to find out how the charge of an element will combine with the charge of another element to form chemical compound.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are false.
31) ASSERTION-The valencies or charges on the ion must balance in every compound.
REASON-Valencies are always found on top of the compound.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
32) ASSERTION-The valencies or charges on the ion must balance in every compound.
REASON-Valencies are always found behind the compound.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
33) ASSERTION-The valencies or charges on the ion must balance in every compound.
REASON-balanced valencies or charges gives stability to every compound.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
34) ASSERTION- Formula of the hydrogen chloride is HCl.
REASON-Valency of the HCl is 2,1.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
35) ASSERTION- Formula of the hydrogen chloride is HCl.
REASON-Valency of sodium chloride is 2 and 5 hence its formula became HCl .
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
36) ASSERTION- Formula of the hydrogen chloride is HCl.
REASON- in this compound H is present with 1 valency whereas Cl is present with 1 valency hence its formula became HCl
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
37) ASSERTION-H2S is the formula of hydrogen sulphide.
REASON-Valency of sodium chloride is 2 and 5 hence its formula became H2S.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
38) ASSERTION-H2S is the formula of hydrogen sulphide.
REASON-Valency of sodium sulphide is 2 and 1 hence its formula became H2S.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
39) ASSERTION-H2S is the formula of hydrogen sulphide.
REASON- in this compound H is present with 1 valency whereas S present with 2 valency hence its formula became H2S.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
40) ASSERTION-The formula of sodium carbonate is Na2 CO3
REASON-In the sodium carbonate there is two different ions takes part.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
41) ASSERTION-The formula of sodium carbonate is Na2 CO3
REASON-In the sodium carbonate there is two same kind of ions present.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
42) ASSERTION-The formula of sodium carbonate is Na2 CO3
REASON-In the sodium carbonate, sodium carries +1 charge and carbonate carries -2 charge.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
43) ASSERTION-The formula of sodium carbonate is Na2 CO3
REASON-In the sodium carbonate, sodium carries -2 charge and carbonate carries +1 charge.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
44) ASSERTION-The formula of sodium carbonate is NaCO3
REASON-In the sodium carbonate, sodium carries -2 charge and carbonate carries +1 charge.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are false.
45) ASSERTION-The formula of the ammonium sulphate is (NH4)2 SO4.
REASON-Ammonia molecule helps to environment for anaerobic respiration.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
46) ASSERTION-The formula of the ammonium sulphate is (NH4)2 SO4.
REASON-Ammonia molecule helps to environment for aerobic respiration.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
47) ASSERTION-The formula of the ammonium sulphate is (NH4)2 SO4.
REASON-Ammonium sulphate molecule generates two different kind of ions like cation and anion.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
48) ASSERTION-The formula of the ammonium sulphate is (NH4)2 SO4.
REASON-Ammonium sulphate molecule generates two same kinds of ions.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
49) ASSERTION-The formula of the ammonium sulphate is (NH4)2 SO4.
REASON-The ammonium sulphate generates NH4 cation with +1 charge and SO4anion with a -2 charge.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
50) ASSERTION-The formula of the ammonium sulphate is (NH4)2 SO4.
REASON-The ammonium sulphate generates NH4 cation with -2 charge and SO4 anion +1 with a charge.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
51) ASSERTION-The molecular mass of water is 18.
REASON- Water is heavy molecule which weigh by analytical balance.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
52) ASSERTION-The molecular mass of water is 18.
REASON- Water is made up of two different molecules.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
53) ASSERTION-The molecular mass of water is 18.
REASON- Water is made up of Hydrogen and Nitrogen molecules.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
54) ASSERTION-The molecular mass of water is 18.
REASON- Water is made up of Hydrogen and Oxygen molecule.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
55) ASSERTION-The molecular mass of water is 18.
REASON- Water is made up of Hydrogen and Oxygen molecule where hydrogen is present with atomic no. 1 and Oxygen present with atomic no. 8.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and Reason is the correct explanation for Assertion.
56) ASSERTION-The molecular mass of water is 18.
REASON- Water is made up of Hydrogen and Oxygen molecule where hydrogen is present with atomic no. 1 and Oxygen present with atomic no. 16.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
57) ASSERTION-The molecular mass of water is 18.
REASON- Water is made up of Hydrogen and Oxygen molecule where hydrogen is present with atomic no. 2 and Oxygen present with atomic no. 16.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
58) ASSERTION-The molecular mass of water is 18.
REASON- Water is made up of Hydrogen and Oxygen molecule where hydrogen is present with atomic mass no. 2 and Oxygen present with atomic mass no. 16.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
59) ASSERTION-The molecular mass of NaCl is 58.5 u.
REASON-The mass of substance is the sum of the atomic masses of all atoms in a formula unit of compound.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
60) ASSERTION-The molecular mass of NaCl is 58.5 u.
REASON-The mass of Na is 23.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
61) ASSERTION-The molecular mass of NaCl is 58.5 u.
REASON-The mass of Cl is 35.5.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
62) ASSERTION-The molecular mass of NaCl is 58.5 u.
REASON-The mass of Cl is 35.5 and Na is 23 so the sum of those two molecules gives us molecular mass of NaCl.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
63) ASSERTION-The molecular mass of NaCl is 58.5 u.
REASON-The mass of Na is 35.5 and Cl is 23 so the sum of those two molecules gives us molecular mass of NaCl.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
64) ASSERTION-Two molecules of hydrogen combine with one molecule of oxygen gives water molecule.
REASON-Oxygen and hydrogen perfectly mixes according to their valencies.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
65) ASSERTION-Two molecules of hydrogen combine with one molecule of oxygen and nitrogen gives water molecule.
REASON-Oxygen and nitrogen perfectly mixes according to their valencies.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are false.
66) ASSERTION-Two molecules of hydrogen combine with one molecule of oxygen gives water molecule.
REASON-Oxygen and hydroxide perfectly mixes according to their valencies.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
67) ASSERTION-288 nos means 2 gross
REASON-One dozen means 6 nos which standard relation.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Assertion is true but Reason is false.
68) ASSERTION-288 nos mean 2 gross
REASON-One dozen means 12 nos which standard relation.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
69) ASSERTION-288 nos mean 1 gross
REASON-One dozen means 6nos which standard relation.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are false.
70) ASSERTION-288 nos mean 2 gross
REASON-One gross means 144 nos which standard relation.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
71) ASSERTION-Gram atomic mass of the hydrogen is 1 gram.
REASON-Hydrogen molecule easily combines with chlorine molecule which has one valency.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS-Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
72) ASSERTION-Gram atomic mass of the hydrogen is 1 gram.
REASON-1 is the atomic number of hydrogen.
a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Both Assertion and Reason are false.
ANS- Both Assertion and Reason are correct, and reason is the correct explanation for assertion.
Discover more from EduGrown School
Subscribe to get the latest posts sent to your email.