Science, asked by 916306524643, 3 months ago

Define physical and chemical changes​

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Answered by ridharayan2007
2

Answer:

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.

Answered by sonam9262yadav
16

Hope it will help you,,

It is not from any website,

it is from my book.

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