Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> List a few uses of nitrogen.

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 1. Nitrogen is chemically inert, which makes it a good preservative. This is why it is used in packaged foods.
2. High-speed vehicles like racing cars' tyres are inflated with nitrogen as it is lighter than air.
3. Nitrogen is an important component of fertilizers, which are essential for plant growth.