Question

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Define....
1)decomposition reaction
2)Combination reaction​

Answer 1

Answer:

A decomposition reaction is a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds.

A combination reaction is a reaction where two or more elements or compounds combine to form a single compound.

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Answer 2

Answer:

${\huge{\underline{\underline{\mathfrak{\red{answer:-}}}}}}$

${\huge{\small{\texttt{\red{decomposition\: reaction:-}}}}}$

decomposition is usually regarded and defined as the exact opposite of chemical synthesis.

example : decomposition reactions include the breakdown of hydrogen peroxide to water and oxygen, and the breakdown of water to hydrogen and oxygen.

${\huge{\small{\texttt{\red{combination\: reaction:-}}}}}$

A combination reaction is a reaction where two or more elements or compounds combine to form a single compound

example : NH3 + HCl ➡ NH4Cl

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