Question

what is decomposition reaction and combination reaction

Answer 1

hi dear


decomposition reaction

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when one substance is broken down into two or more substances by using heat , electricity , pressure etc.

EXAMPLE .....

Ag2O ------------> Ag + O2


combination reaction


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when two or more elements combine to form one substance , is called combination reaction ..

it is also knows as synthesis reaction ..


EXAMPLE ...

Mg + H2 O ---------->Mg(OH) 2 + H2


hope it will help you


bye


good night



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Answer 2

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• A combination reaction is a reaction where two or more elements or compounds (reactants) combine to form a single compound (product). Ba+F2⟶BaF2. A decomposition reaction is a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds