MCQOn 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?(i) Sugar crystals in cold water.(ii) Sugar crystals in hot water.(iii) Powdered sugar in cold water.
(iv) Powdered sugar in hot water.

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Solution

The rate of dissolution increases with the surface area of the solute and temperature. Therefore, powdered sugar will dissolve in hot water most rapidly.

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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?
(a) Sugar crystals in cold water (b) Sugar crystals in hot water
(b) Powdered sugar in cold water (d) Powdered sugar in hot water

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MCQOn 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?(i) Sugar crystals in cold water.(ii) Sugar crystals in hot water.(iii) Powdered sugar in cold water.(iv) Powdered sugar in hot water.

The rate of dissolution increases with the surface area of the solute and temperature. Therefore, powdered sugar will dissolve in hot water most rapidly.

MCQOn 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?(i) Sugar crystals in cold water.(ii) Sugar crystals in hot water.(iii) Powdered sugar in cold water.
(iv) Powdered sugar in hot water.