Question

give one example of displacement, decomposition and combination reaction with explaination​

Answer 1

Answer:

like when we go to school from home and come back to home by the same way it is displacement. If the way or the distance is same then it is always zero...

when microorganisms feed on a bilody, they decompose it and it may have a foul smell. The body can be of dog or human etc...

combination reaction is that when 2 or more atoms combine and form a new atom. Like sodium and calcium combine and form sodium chloride...

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Answer 2

DISPLACEMENT REACTION

When more reactive element displaces less reactive element.

Eg. Zn+CuSO4→ZnSO4+Cu

COMBINATION REACTION

When a single product is formed from more than one reactant.

Eg. 2Mg+O2→2MgO

DECOMPOSITION REACTION

When more than one product is formed from single reactant.

Eg. 2FeSO4→Fe2O3+SO3+SO2

NOTE- Decomposition reaction is opposite of combination reaction..

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