Thu May 05, 2011 By: Shivansh Kumar

When any liquid is heated,the particles in it gain a lot of energy and so,they break their force of attraction and flow away causing the liquid to evaporate.But,in case of a solid material,for example 'chalk',when heated till any extent,does not flows away or evaporates.WHY SO?

Expert Reply
Sun May 08, 2011
The process of coverting a liquid into a gas is evaporation thats why solid acnnot evaporate.By heating in the case of solid other chemical reaction occur.
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