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Question
Which of the following is(are) an endothermic process(es)?
- Dilution of sulphuric acid
- Sublimation of dry ice
- Condensation of water vapours
- Evaporation of water
Options
(i) and (iii)
(ii) only
(iii) only
(ii) and (iv)
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Solution
(ii) and (iv)
Explanation -
Both sublimation of dry ice (ii) and evaporation of water (iv) are of endothermic nature.
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