defination of physical change and chamical change
ravikumar136913:
Physical Change - a change in which no new substances are formed is known as physical change. Chemical Changes -a change in which new stanza formed and cannot be reversed is called chemical change
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Explanation:
Physical changes only change the appearance of a substance, not its chemical composition.
Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
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