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Question
A catalyst is a substance which increases the rate of the reaction without itself undergoing any change.
A catalyst is a substance which increases the rate of the reaction without itself undergoing any change.
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Solution
The correct option is A True
A substance that starts or speeds up a chemical reaction while undergoing no permanent change itself. It increases the rate of reaction without being consumed itself e.g. enzymes in saliva are catalyst in digestion.
A substance that starts or speeds up a chemical reaction while undergoing no permanent change itself. It increases the rate of reaction without being consumed itself e.g. enzymes in saliva are catalyst in digestion.
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