हिंदी

Why do raisins (dried grapes) swell when kept soaked in water?

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प्रश्न

Why do raisins (dried grapes) swell when kept soaked in water?

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उत्तर

The raisins contain a concentrated sap and therefore water molecules from the outside move in through the partially permeable membrane of the raisins by osmosis and raisins swell.

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