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प्रश्न
Ice is more effective in cooling than the ice-water. Explain.
उत्तर
Each 1 g of ice absorbs nearly 336 J of heat when melts to water at 0°C. Hence, it is more effective in cooling than the ice-water.
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[Specific heat capacity of water = 4200 J kg-1 °C-1]
[Specific latent heat of fusion of ice = 336 × 103 J kg-1]
The process of converting a substance from solid state to gaseous state is called condensation.
