Write a chemical equation for each of the following reactions:

Write a chemical equation for each of the following reactions:

(i) Zinc metal reacts with aqueous hydrochloric acid to produce a solutionof zinc chloride and hydrogen gas.

Ans: -The required reaction is,

Zn + 2HCl —–> ZnCl2 + H2

(ii) When solid mercury (II) oxide is heated, liquid mercury and oxygen gasare produced.

Ans: – The required reaction is, 2HgO —-> 2Hg + O2

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