CSEC Chemistry · May/June 2013 · Paper 1 · Question Q31
Which of the following statements BEST describes a catalyst?
- (A)It increases the activation energy of a chemical reaction.
- (B)It alters the quantity of the products formed.
- (C)It is unchanged physically at the end of a reaction.
- (D)It is unchanged chemically at the end of a reaction.
The answer is shown once you've answered.
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