Question

please tell first friends​

Answer 1

Explanation:

(1) The chemical reaction involves all of these things hence answer is (d) All of the above

(2) The brown gas evolving from this experiment is Nitrogen dioxide , hence answer is (c) NO2

(3) This is a decomposition reaction as the lead Nitrate decomposes into lead oxide + nitrogen dioxide + oxygen , hence answer is (c) Decomposition .

(4) When You add dilute hydrochloric acid to zinc granules, hydrogen gas is evolved which is colourless and odourless hence answer is (d) a colourless and odourless gas is evolved.

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