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प्रश्न
In summer, ice is kept wrapped in a gunny bag. Explain the reason.
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उत्तर
In summer, the ice is kept wrapped in a gunny bag or it is covered with saw dust. The air filled in the fine pores of the gunny bag or saw dust, is the insulator of heat. The air does not allow heat from outside to pass through it to the ice. Thus, the ice is prevented from melting rapidly.
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