8. Write the balanced chemical equations of the following word equations :-
(a) Sodium hydroxide + sulphuric acid → sodium sulphate + water
(b) Potassium bicarbonate + sulphuric acid → potassium sulphate + carbon dioxide + water
(c) Iron + sulphuric acid → ferrous sulphate + hydrogen
(d) Chlorine + sulphur dioxide + water → sulphuric acid + hydrogen chloride
(e) Silver nitrate → silver + nitrogen dioxide + oxygen
(f) Copper + nitric acid → copper nitrate + nitric oxide + water
(g) Ammonia + oxygen → nitric oxide + water
(h) Barium chloride + sulphuric acid → barium sulphate + hydrochloric acid
(i) Zinc sulphide + oxygen → zinc oxide + sulphur dioxide
(l) Aluminium carbide + water → aluminium hydroxide + methane
(k) Iron pyrites (FeS) + oxygen → ferric oxide + sulphur dioxide
(1) Potassium permanganate + hydrochloric acid → potassium chloride + manganese chloride + chlorine + water
(m) Aluminium sulphate + sodium hydroxide → sodium sulphate + sodium meta aluminate + water
(n) Aluminium + sodium hydroxide + water → sodium meta aluminate + hydrogen
(o) Potassium dichromate + sulphuric acid → potassium sulphate + chromium sulphate + water + oxygen
(p) Potassium dichromate + hydrochloric acid → potassium chloride + chromium chloride + water + chlorine
(q) Sulphur + nitric acid → sulphuric acid + nitrogen dioxide + water
(r) Sodium chloride + manganese dioxide + sulphuric acid → sodium hydrogen sulphate + manganese sulphate + water + chlorine
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