1.

Which of the following are exothermic processes? (i) Reaction of water with quick lime (ii) Dilution of an acid (iii) Evaporation of water (iv) Sublimation of camphor (crystals) (a) (i) and (ii)(b) (ii) and (iii) (c) (i) and (iv) (d) (iii) and (iv)

Answer»

The correct option is (a) (i) and (ii)

  • Reaction of water with quick lime is exothermic reaction. 
  • When water is added to quicklime, then calcium hydroxide is formed with large amount of heat is released in the process.
  • Dilution of an acid is exothermic reaction.


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