1.

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) Evaporationof water

Answer»

(i) and (iii)
(ii) only
(iii) only
(ii) and (iv)

Solution :HEAT is absorbed when dry ice sublimes and WATER evaporates. THEREFORE, cooling is PRODUCED.


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