It is called an inhibitor.
surface area
The substance that slows down a chemical reaction is an inhibitor. Instead you could also call an inhibitor an anticatalyst.-anticatalyst `antee'katlist1. (chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst
An inhibitor decreases the reaction rate
an inhibitor
negative catalyst.
A decrease in temperature.
Its somthing that speeds up or slows down a chemical reaction (:
Chemical reactions can be either sped up or slowed down by catalysts.
Inhibitor~a material used to decrease the rate of reaction
Usually:decreasing concentrationlowering the temperaturesometimes lowering pressureremoving any catalyst
In general, a material that decreases the rate of a chemical reaction is called an inhibitor.
inhibitor
Catalyst