Category: NCERT Extra Sample Paper

Class 10th Science Extra Sample Paper-Full Syllabus | Science ESP SET-1

Question Set- Model Sample Paper Class 10th Science SET-1 Answer Set- Model Sample Paper Class 10th Science SET-1

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NCERT Sample Paper Questions MCQ Based Class 10th Science

Q1. When Ag is exposed to air it gets a black coating of(a) AgNO3       (b) Ag2S          (c) Ag2O            (d) Ag2CO3 Answer: b Q2.What type of chemical reactions take place when electricity is passed through water?(a) Displacement       (b) Combination      (c) Decomposition      

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