Question

The given reaction is example of a / 
Combination reaction /

(2) Double displacement reaction /

(3) Decomposition reaction /

(4) Displacement reaction​

Answer 1

Answer:

2Mg+O2

Explanation:

When Magnesium burns in air,the atoms of the metal combine with the gas oxygen to produce MAGNESIUM OXIDE

Answer 2

Answer:

Combination reaction:- A reaction in which two or more reactants form a single substances

Decomposition reaction:- A reaction in which a single substance decomposes into two or more substances

Displacement reaction:- A reaction in which a high reactive metal displaces a low reactive metal

Double displacement reaction:- A reaction in which two ions exchange