Preparation, Uses And Testing For Gases

Question 1

Nitrogen

Answer 1

Most abundant constituent of the atmosphere.
physical Properties
1. Colourless, odourless, tasteless gas.
2. Same dentists as air.
3. Insoluble in water.
4. Does not support. combustion.
Extremely unreactive gas.
Uses Of Nitrogen
1. Keep food fresh
2. Coolant