Matching Quiz

Match each pair by selecting correct answer from the dropdown menu.
Then click the Check button to see your result.
A chemical reaction where one of the products acts as a catalyst
A substance that reduces the effectiveness of a catalyst in a chemical reaction
A reaction in which the catalyst is in a different phase to the reactants
A reaction in which the catalyst is in the same phase as the reactants
A substance that decreases the rate of a chemical reaction
A substance that improves the activity of a catalyst, but is not itself a catalyst
Biological catalyst
Reduces the emission of pollutants in car engines
Reaction in which the catalyst and a reactant form an intermediate unstable complex that breaks up to form the products and regenerate the catalyst
Reaction in which the reactants adsorb onto the catalyst where the greater concentration leads to a faster reaction