Question

Plsss help me
What is difference between Combination rx. &Decomposition rx.

Answer 1

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Combination Reaction:-
When two or more reactants combine to form a single product.
Such reaction is combination Reaction.

for ex:- when magnesium ribbon burns in Air it combines to form Magnesium Oxide
=) Mg+O2-->MgO



Decomposition Reaction:-
When one reactant decomposes into two or more reactants or products then such reaction is known as Decomposition Reaction.

Like:-water can be broken down into hydrogen gas and oxygen gas
=) H2O---> H2+O2


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Answer 2

Combination Rx..
two or more reactants react to form a single new substance H2+S----=H2S
Decomposition Rx..
A single reactants breaks apart into two or more products HgO---=Hg+O2

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