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

(i) Combustion
(ii)Decomposition
(iii) Photolytic decomposition.
(iv)Electrolytic decomposition
(iv) Combination

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