Question

Q3. Which of the following is an
endothermic process?
O Option 1: Dilution of sulphuric acid
O Option 2: Sublimation of dry ice
O
Option 3: Respiration in human
being
Option 4: Condensation of water
vapour​

Answer 1

Explanation:

Sublimation of dry ice and evaporation of water both are endothermic processes. These processes pull heat (energy) from their surroundings to change from one state to another. Hence both these processes produce cooling rather than heating.

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