Question

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......mesmerizing evening for you☺
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plz define.....

1)Decomposition reaction
2)Combination reaction
3)Crystallisation.


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Answer 1

Decomposition Reaction→

It is the breakdown of a single compound into new elements.

Combination reaction→

It is a reaction where towards a elements make a new compound.

Crystallisation→

Crystallization is the process of converting down of sugar into small crystals by boiling them in the hot water.

Answer 2

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1)A combination reaction is a reaction where two or more elements or compounds (reactants) combine to form a single compound (product). Ba+F2⟶BaF2.

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

3)Crystallization or crystallisation is the (natural or artificial) process by which a solid forms, where the atoms or molecules are highly organized into a structure known as a crystal. Some of the ways by which crystals form are precipitating from a solution, freezing, or more rarely deposition directly from a gas.