Question

It is possible to increase a reaction rate by adding very small amounts of a catalyst, and this is because...

A. The catalyst is used over and over again during the reaction.

B. Only a small amount of catalyst is needed to increase temperature.

C. The catalyst is only needed at the very start of the reaction.

D. Only a small amount of catalyst is needed to increase concentration.

Answer 1

A. The catalyst increases the rate of reaction without being consumed