Environmental Sciences, asked by ravindrashimpi1181, 5 hours ago

one or more new substances are produced in a chemical reaction, in addition to this which phenomena are also seen

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Answered by vignadusa
3

Answer:

some heat releasing or can say exothermic like

Answered by ekaur0796
3

Answer:

One or more new substances are produced in a chemical reaction,in addition to this, which phenomena are also seen

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