Science, asked by narinder1983kaur, 5 months ago

changes in which new substances are formal changes ​

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Answered by nidhu26
0

Answer:

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.

Explanation:

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