Question

2.Name the main components of air.

Answer 1

Main components of air are:-

1. Nitrogen: Nitrogen is the most abundant, pure component of air having concentration of 78%. It has the symbol N

2. Oxygen : Oxygen is the most important chemical elements with is concentration of 21%. It has the symbol O

3. Carbon dioxide : Carbon dioxide is a trace gas with a concentration 0.04%. It has the chemical symbol CO₂

4. Water Vapour : Water vapour concentration in the atmosphere varies about 0.01% to 4.24%, depending upon the temperature.

5 Argon and other noble gases : Argon is the third most abundant element in the atmosphere with a concentration of 0.93% .It is a noble gas. It is symbol Ar