Question

Of the reactions below which one is not a combination reaction?

2ch4+402=2co2+4h20
2mg+o2=2mg0

Answer 1

2Mg + O₂ → 2MgO

Step-by-step explanation:

Given reaction:

2Mg + O₂ → 2MgO

This is the only combination reaction from the given set of choices.

A combination reaction is a synthesis reaction.

In this kind of reaction, a single product is formed from two or more reactants.

E.g

A + B → C

The formation of a compound from constituent elements falls into this category of reaction.