Q. 37 A4.7( 7 Votes )

Why are decomposition reactions called the opposite of combination reactions? Explain with equations of these reactions.

Answer :

In decomposition reaction one compound decomposes to give two simpler compound or element whereas in combination reaction two different compound or element fuses or combine to form one single compound.

Ex- Decomposition Reaction:

Here Agcl(s) decomposes to give Ag(s) and Cl(s)

Combination Reaction:

Here, Copper and Oxygen combine to give Copper Oxide.

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