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10 Science Sample Paper

N.C.E.R.T 10 Chemistry Acids, Bases and Salts Sample Paper

Q  1. Why is it advised not to use copper or brass vessels to store pickles or curd?

N.C.E.R.T 10 Chemistry Chemical Reactions and Equations Sample Paper

Q  1. Zn + 2HCl → ZnCl2 + H2 In the given equation, how will you depict that it is accompanied...