Disuss th affect of adding or removing heat to matter
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Heat can change the form of substance it can also create a substance.
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Explanation:
heat causes matter to expand. If the matter is kept at some cold place it contracts. The kinetic energy of molecules in the matter increases with addition of heat, obj. expands and at higher levels, they may get free from bonds and get separated from their state and move to the next lighter state or sublime. In case of removal of heat, its opposite.
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