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4 November, 10:11

Whats the name of the Changes in matter which require heat

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  1. 4 November, 13:28
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    Evaporation involves a liquid becoming a gas and sublimation is the change of a solid directly to a gas. Phase changes require either the addition of heat energy (melting, evaporation, and sublimation) or subtraction of heat energy (condensation and freezing).
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