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A catalyst is a ______.
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5 votes
A catalyst is a ______.

User Mike Sackton
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2 Answers

5 votes

Answer:

A substance that speeds up chemical reactions.

Step-by-step explanation:

User Tzwickl
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9 votes

Answer:

a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

User Wowo Ot
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