What type of chemical reactions take place when:
(a) a magnesium wire is burnt in air?
(b) lime-stone is heated?
(c) silver bromide is exposed to sunlight?
(d) electricity is passed through water?
(e) ammonia and hydrogen chloride are mixed?
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Solution
(a) Combination reaction
(b) Decomposition reaction by the action of heat
(c) Decomposition reaction by the action of light
(d) Decomposition reaction by the action of electricity