Essential Chemistry for IGCSE - The Periodic Table (Section 1 - No. 39)
What are the main properties of a good catalyst?
It speeds up a reaction.
It is chemically unchanged at the end of the reaction.
It lowers the activation energy.
It increases the yield of the reaction.
Explanation
A catalyst increases the rate of a reaction by lowering the activation energy and is not consumed in the reaction.
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