Question

is air is a mixture or a compound? give reasons for your answer

Answer 1

air is a mixture of various gases such as carbon dioxide, hydrogen, nitrogen, etc
hope it will really help u

Answer 2

Air is considered as mixture for the following reasons ;

1. Air can be separated into its components like N2, O2 , Argon and CO2 by the process of fractional distillation of liquid air.

2. Air shows the properties of all the gases present in the atmosphere. 

For example : Oxygen is good Supporter of combustion. Hence air also is good supporter of combustion.

3.Air does not have a fixed formula.

4.Mixture does have fixed boiling Point. It holds good in case of liquid air.

hope it helps