Which of the following are exothermic processes

Which of the following are exothermic processes?

  1. Reaction of water with quick lime
  2. Dilution of an acid
  3.  Evaporation of water
  4. Sublimation of camphor (crystals)

Select the correct option:

  1. (i) and (ii)
  2. (ii) and (iii)
  3. (i) and (iv)
  4. (iii) and (iv)

Answer

Energy is released in exothermic reactions in the form of heat.

The correct option is A.