Which among the following statement (s) is/are true? Exposure of silver chloride to sunlight for a long duration turns grey due to

(i) the formation of silver by decomposition of silver chloride.

(ii) sublimation of silver chloride.

(iii) evolution of chlorine gas from silver chloride. (iv) oxidation of silver chloride.
A. (i) only

B. (i) and (iii)

C. (ii) and (iii)

D. (iv) only

Differentiate between displacement and double displacement reactions.

Which among the following statement(s) is(are) true? Exposure of silver chloride to sunlight for a long duration turns grey due to:

(i) The formation of silver by decomposition of silver chloride

(ii) Sublimation of silver chloride

(iii) Decomposition of chlorine gas from silver chloride

(iv) Oxidation of silver chloride

Which of the following are exothermic processes?

(i) Reaction of water with quicklime

(ii) Dilution of an acid

(iii) Evaporation of water

(iv) Sublimation of camphor (crystals)

Write true or false for the following statements:

The reaction Zn(s) + CuSO₄(aq) → ZnSO₄(aq) + Cu(s) is type of double displacement reaction