1) ASSERTION-No. of electrons always equal to the proton no. of atom.
REASON-atom is always made-up of proton and electron.
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.
2) ASSERTION-No. of electrons always equal to the proton no. of atom.
REASON-Atoms are always made up of proton, electron, and neutron.
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) ASSERION-No. of electrons always equal to the proton no. of atom.
REASON-Same no. of proton and electron present in atom makes it stable.
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.
4) ASSERION-Electrons can easily remove off but not proton.
REASON-Electrons are more delicate than proton.
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.
5) ASSERION-Electrons can easily remove off but not proton.
REASON-Protons are stronger than neutron.
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) ASSERION-Electrons can easily remove off but not proton.
REASON-Electrons are engulfed inside the nucleus.
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.
7) ASSERION-Electrons can easily remove off but not proton.
REASON-Electrons revolved around the nucleus and proton is tightly held in nucleus due to nucleic force.
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.
8) ASSERION-Electrons can easily remove off but not proton.
REASON-Protons revolved around the nucleus and electron is tightly held in nucleus due to nucleic force.
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.
9) ASSERION-Atomic mass is always concentrated inside the nucleus.
REASON-electrons are always revolved around nucleus.
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.
10) ASSERION-Atomic mass is always concentrated inside the nucleus.
REASON-protons are always embedded inside the nucleus.
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.
11) ASSERION-Atomic mass is always concentrated inside the nucleus.
REASON-protons are always embedded inside the core of atoms.
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-The sum of proton no. and neutron no. gives us atomic mass number of atom.
REASON-Proton no. and neutron no. is always same.
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
13) ASSERTION-Thomson’s says that atoms consist of positively charged sphere and the electrons are embedded in it.
REASON-Positively charged ions always spread inside the core of atoms
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-Thomson’s says that atoms consist of positively charged sphere and the electrons are embedded in it.
REASON-Negatively charged ions always spread inside the core of atoms.
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-According to Rutherford’s experiment alpha particles are not deflected more than proton.
REASON-Alpha particles are more fragile in nature.
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
16) ASSERTION-According to Rutherford’s experiment alpha particles are not deflected more than proton.
REASON-Proton particles are more fragile in nature.
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
17) ASSERTION-According to Rutherford’s experiment alpha particles are not deflected more than proton.
REASON-Proton particles are heavier than alpha particles.
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-According to Rutherford’s experiment alpha particles are not deflected more than proton.
REASON-alpha particles are heavier than proton particles hence they deflect less.
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-According to Rutherford’s experiment alpha particles are not deflected more than proton.
REASON-alpha particles are heavier than neutron particles hence they deflect less.
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-According to Rutherford’s experiment alpha particles are not deflected more than proton.
REASON-Neutrons are heavier than proton particles hence they deflect less.
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.
21) ASSERTION-According to Rutherford’s most of the space inside the atom is empty.
REASON-Rutherford’s seen the empty space present inside the foil.
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.
22) ASSERTION-According to Rutherford’s most of the space inside the atom is empty.
REASON-Rutherford’s seen the empty space present inside the watermelon.
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-According to Rutherford’s most of the space inside the atom is empty.
REASON-Alpha particles do not observeinside the foil.
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-According to Rutherford’s most of the space inside the atom is empty.
REASON-Alpha particles are observedwhile doing experiment.
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.
25) ASSERTION-According to Rutherford’s most of the space inside the atom is empty.
REASON-Alpha particles passed through the gold foil without getting deflected.
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.
26) ASSERTION-According to Rutherford’s most of the space inside the atom is empty.
REASON-Alpha particles passed through the gold foil with showing more deflection.
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-According to Rutherford’s very few particles were deflected from their path.
REASON-Most of the positive charge of the atoms occupies very little space.
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.
28) ASSERTION-According to Rutherford’s very few particles were deflected from their path.
REASON-Alpha particles passed through the gold foil without getting deflected.
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.
29) ASSERTION-The size of the nucleus is very small as compared to the size of the atom.
REASON-Nucleus is embedded inside the proton.
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.
30) ASSERTION-The size of the nucleus is very small as compared to the size of the atom.
REASON-Proton and neutron present inside the nucleus.
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.
31) ASSERTION-The size of the nucleus is very small as compared to the size of the atom.
REASON-The sum of proton and neutron gives us atomic mass number.
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.
32) ASSERTION-The size of the nucleus is very small as compared to the size of the proton.
REASON-The sum of proton and neutron gives us proton mass number.
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.
33) ASSERTION-The size of the nucleus is very small as compared to the size of the atom.
REASON-Nucleus contain proton and neutron which always present inside the atom hence its size is smaller than 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.
34) ASSERTION-Electrons revolve around the nucleus with different orbits.
REASON-Electrons do not want to travel with same path.
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-Electrons revolve around the nucleus with different orbits.
REASON-Electrons always travelled with proton hence they revolved with a different track.
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-Electrons revolve around the nucleus with different orbits.
REASON-K, L, M, N is the name of orbits which present outside the nucleus.
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.
37) ASSERTION-Electrons revolve around the nucleus with different orbits.
REASON-K, L, M, N is the name of electrons which present outside the nucleus.
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-Electrons revolve around the nucleus with different orbits.
REASON-electrons have different- different energy hence they revolve separately.
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.
39) ASSERTION- K-shell contain two electrons.
REASON-Every shells has its own capacity to hold electrons hence K shell follows 2N2 rule.
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.
40) ASSERTION- K-shell contain two electrons.
REASON-Every shell has its own capacity to hold electrons hence K shell follows 2n2rule.
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.
41) ASSERTION- K-shell contain two electrons.
REASON-Every shell has its own capacity to hold electrons hence K shell follows n2rule.
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- L-shell contain two electrons.
REASON-Every shell has its own capacity to hold electrons hence K shell follows n2rule.
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.
43) ASSERTION- L-shell contain eight electrons.
REASON-L shell comes after the K shell.
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.
44) ASSERTION- L-shell contain eight electrons.
REASON-L shell comes after the M shell.
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.
45) ASSERTION- L-shell contain eight electrons.
REASON-Every shell has its own capacity to hold electrons hence L shell follows 2n2rule.
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.
46) ASSERTION-Helium atom has two electrons in its outermost shell.
REASON-Helium is the second element present in the periodic table.
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.
47) ASSERTION-Helium atom has two electrons in its outermost shell.
REASON-Helium is the first element present in the periodic table.
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.
48) ASSERTION-Fluorine have one valency.
REASON-Seven electrons revolved around the fluorine 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-Assertion is true but Reason is false.
49) ASSERTION-Atomic mass of carbon is 12.
REASON- Carbon has 6 proton number.
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.
50) ASSERTION-Atomic mass of carbon is 12.
REASON- Carbon has 6 neutron number.
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.
51) ASSERTION-Atomic mass of carbon is 12.
REASON- Carbon has 6 neutron number and 6 proton number.
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.
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