Question

write the defination of all four types of chemical reactios by giving 5 examples of each type​

Answer 1

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The types of chemical reactionare: Combination reaction. Decomposition reaction.

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Combination Reaction. A reaction in which two or more reactants combine to form a single product is known as a combination reaction. ...

Decomposition Reaction. ...

Displacement Reaction. ...

Double Displacement Reaction. ...

Precipitation Reaction.

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Answer 2

Answer:

Chemical combination:

A reaction in which two or more compounds give rise to single product

CaO+H20------》Ca(OH)2

Na+O2--------》Na2O

K+O2------》K2O

Mg+O2-------》MgO

Li+Cl2-------》LiCl

Chemical decomposition:

A reaction in which a single compound give rise to two or more compounds.

CaCO3------》CaO+CO2

AgBr------》Ag+Br2

AgCl----------》Ag+Cl2

H2O-------》H2+O2

KBr-------》K+Br

Displacement reaction:

A reaction in which a highly reactive metal displaces a less reactive metal.

CuSO4+Fe-------》FeSO4+Cu

ZnCl2+Mg------》MgCl2+Zn

CuCO3+Mn------》MnCO3+Cu

Double displacement reaction:

A reaction in which exchange of group of atoms or ions takes place.

BaSO4+NaCl-----》NaSO4+BaCl

KBr+Al2SO4-----》K2SO4+AlBr3

PbNO3+NaCl------》NaNO3+PbCl2

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Explanation: