NEETChemistryp Block Elements (Group 15, 16, 17 & 18)
What is the main use of dinitrogen?
Options
- ATo manufacture ammonia and other industrial chemicals containing nitrogen.
- BTo provide an inert atmosphere.
- CAs a refrigerant.
- DTo preserve biological materials, food items, and in cryosurgery.
Correct answer
D. To preserve biological materials, food items, and in cryosurgery.
Step-by-step solution
The paragraph states that the main use of dinitrogen is to manufacture ammonia and other industrial chemicals containing nitrogen, to provide an inert atmosphere, as a refrigerant, and to preserve biological materials, food items, and in cryosurgery.