Question

List any four uses of Nitrogen.

Answer 1

1. Nitrogen is used to make explosives like TNT(trinitrotoluene), nitroglycerine, nitrocellulose, etc.
2. It is used in food preservation. While canning and packing food items, nitrogen is used to provide an inert atmosphere within the sealed packs.
3. It is used as a coolant in refrigerators.
4. It is used to make calcium cyanamide(CaCN₂), which is a raw material for urea production. Urea is used as a fertilizer.