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प्रश्न
Which of the following statements regarding catalyst is FALSE?
विकल्प
It remains unchanged at the end of a chemical reaction.
A catalyst lowers the threshold energy.
A catalyst provides alternative pathway associated with lower activation energy.
It initiates, propagates and terminates a reaction.
MCQ
उत्तर
It initiates, propagates and terminates a reaction.
Explanation:
A catalyst is a chemical that is added to the reactants to speed up the reaction without being consumed in the process. It has no effect on the start or end of a response.
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