Question

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Why decomposition reactions called the opposite of combination reactions?
Write equations for these reactions.​

Answer 1

卄乇ㄚ 爪卂ㄒ乇 ♥️

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In a combination reaction two or more substances are combined to form new substance while in the decomposition reaction one substance decomposes into two or more substances. Hence, the decomposition reactions are called opposite of combination reactions.

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Answer 2

Explanation:

because in combination reaction reactants combines to make a product but in decomposition reactants compound break to form simpler element.

example - H20(l) - H2(g) + O2(g)