Question

Nitrogen reacts with hydrogen under high temperature and pressure and forms ammonia. Which type of change is undergone in the given example?

• A. A chemical change
• B. A physical change
• C. An electric change
• D. A natural change

Answer 1

The correct option is A

A chemical change

It has undergone a chemical change.

A new substance having different chemical properties is formed which is ammonia gas. It is a chemical change which happens only at high temperatures and pressures.