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Write answers as directed. What is a catalyst? Write any one reaction which is brought about by use of catalyst?

Question 35.

Write answers as directed.

What is a catalyst? Write any one reaction which is brought about by use of catalyst?


Answer:

Catalyst is a substance that causes a chemical reaction to occur but is not itself involved in the reaction.

Example: formation of ammonia


N2 + 3H2→ 2NH3


Catalyst used is iron and molybednum.

GRAVITATION