On dissolving sugar in water at room temperature, solution feels cool – InterviewSolution

1.	On dissolving sugar in water at room temperature, solution feels cool to touch. Under which of the following cases dissolution of sugar will be most rapid?
Answer» sugar crystals in cold water sugar crystals in HOT water POWDERED sugar in cold water Powerded sugar in hot water Solution :As solution is coold to touch, dissolution is endothermic. Hence, HIGH TEMPERATURE will favour dissolution Further, powdered sugar has large surface AREA and will dissolve faster.

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