-
CBSE 10th Chemistry | Chemical Reactions and Equations -NCERT Questions with Answers
Chemical Reactions and Equations -NCERT Questions with Answers Question 1. Which of the statements about the reaction below are incorrect? 2PbO(s) + C(s) 2Pb(s) + CO2(g) (a) Lead is getting reduced, (b) Carbon,dioxide is getting oxidised. (c) Carbon is getting oxidised. (d) Lead oxide is getting reduced (i) (a) and (b) (ii) (a) and (c)…
-
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…