Question

PLEASE HELP
It is possible to increase a reaction rate by adding very small amounts of a catalyst, and this is because
A.the catalyst is only needed at the very start of the reaction.
B.the catalyst is used over and over again during the reaction.
C.only a small amount of catalyst is needed to increase temperature.
D.only a small amount of catalyst is needed to increase concentration.

Answer 1

A. the catalyst is only needed at the start of rx'n...