Q: Catalysts can greatly increase the rates of chemical what?


Read this paragraph and choose the correct option from the provided answers:

and procaine. Not only do catalysts greatly increase the rates of reactions, but in some cases such as in petroleum refining, they also control which products are formed. The acceleration of a reaction by a catalyst is called catalysis.

 Choices:

- photosynthesis

- decay

- effects

- reactions


A:
reactions