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)

Which of the following are exothermic processes? (i) reaction of water with quick lime (ii) Dilutionof an acid (iii) Evaporation of water (iv) Sublimation of camphor (crystals)

Which of the following are exothermic reactions. (i)Burning of coal (ii)Reaction of water with quick lime (iii) Respiration (iv)Evaporation of water

Which of the following is highly exothermic in water.

Which of the following processes are chemical changes? Give reasons. Evaporation of water.

Which of the following is (are) an endothermic process(es)? (i) Dilution of sulphuric acid (ii) Sublimation of dry ice (iii) Condensation of water vapours (iv) Evaporation of water

Which of the following is (arc) an endothermic process ( cs)? (a) Dilution of sulphuric acid (b) Sublimation of dry ice (c) Condensation of water vapours (d) Evaporation of water

Which of the following is (are) an endothermic process(es)? (i) Dilution of sulphuric acid (ii) Sublimation of dry ice (iii) Condensation of water vapours (iv) Evaporation of water