Question

2. Why air and soil are considered as mixtures?​

Answer 1

Answer:

Air is considered as mixture because it has many types of gases like Nitrogen,CO2,etc along with some water vapours.Soil is also a mixture because it contains a mixture of minerals like -Na,P,K, etc.

Answer 2

Answer:

Air is called as the mixture because it consist of many other gases... i.e. Oxygen, Carbon dioxide, etc.

Similarly, soil also consist of many other substances!