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CBSE 10th Chemistry | Chemical Reactions -NCERT Questions with Answers
Chemical Reactions -NCERT Questions with Answers Question 1. Why should a magnesium ribbon be cleaned before burning in air? Answer. The magnesium ribbon which we use has a coating of “basic magnesium carbonate” on its surface, which is formed by a slow action of moist air on it. Therefore before burning it in air, it…
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CBSE 10th Chemistry | Chemical Reactions and Equation Notes
Chemical Reactions and Equation Notes 1. Chemical Equation It is a simple way to represent any chemical reaction in the form of word equation. A chemical reaction involve reactants and the products separated by an arrow e.g. in the given reaction Zn + H2 SO4 ZnSO4 + H2 Zn and H2SO4 are reactants and ZnSO4…