Tuesday, 12 April 2016

Keshav Singh roll no 31

1.Latent heat of vaporisation is the heat energy required to change 1KG of liquid to gas at atmospheric pressure at its boiling point.
2.Latent heat of fusion is the amount of heat energy required to change 1kg of solid into liquid at its melting point


Date: 21/04/16

why does water come out from cucumber when we add salt to it ?

water come out from cucumber when we add salt to it because the content of salt that cucumber is less where as the salt in its  surrounding has high salt content , so to  get balance salt drawn from the  cucumber .

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