Science, asked by Harsh719q, 1 year ago

how many type of chemical reaction

Answers

Answered by Annannuuuu
5
chemical reactions are of following types.
Combination reaction.
Decomposition reaction.
Displacement reaction.
Double Displacement reaction.
Oxidation-Reduction reaction
Answered by Cathenna
1
There are four type of chemical reaction:

* Combination reaction

In this reaction two or more elements or compounds join to to form a single compound.

A + B ---› AB

Ex: 2H2 + O2 = 2H2O

* Decomposition reaction

In this reaction a compound gets decomposed into simpler substance

AB ---› A + B

Ex: 2MgO ---› 2Mg + O2

* Displacement reaction

In this reaction a element displaces another element from its compound.

A + BC ---› AC + B

Ex: Fe + CuSO4 ---› FeSO4 + Cu

* Double displacement reaction

In this reaction compounds exchange there elements.

AB + CD ---› AC + BD

Ex: HCl + NaOH ---› NaCl + H2O

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