what is physical change and chemical change
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change that can be reversed are physical change. example cutting of paper
change that cannot be reversed are chemical change. example burning of parer
change that cannot be reversed are chemical change. example burning of parer
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in physical change no new substance is formed only size and shape changes and in chemical change some new sunstance is formed.....eg-burning of wood is chemical change and blowing a balloon is a physical change......
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