1.

Which of the following are endothermic processes ? ……………………. 1) Dilution of sulphuric acid 2) Sublimation of dry ice3) Condensation of water vapour 4) Evaporation of water A) 3 B) 1, 3 C) 2 D) 2, 4

Answer»

Correct option is D) 2, 4



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