" (b) Combination reaction "

Give one example each of the following redox reactions: (a) Combination reaction (b) Decomposition reaction (c) Metal displacement reaction

The equation, Mg_((s))+CuO_((s))toMgO_((s))+Cu_((s)) represents (A) Decomposition reaction (B) Displacement reaction ( C) Combination reaction (D) Double displacement reaction (E) Redox reaction

(i) Account for the following : (a) White silver chloride turns grey in sunlight. (b) Brown coloured copper powder on heating in air turns into black coloured substance. (ii) What do you mean by (a) Displacement reaction (b) Reduction reaction (c) Combination reaction ? Write balanced chemical equation.

Give one example of an oxidiation-reduction reactin which is also: (a) a combination reaction (b) a displacement reaction