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Question:

Will the catalyst be able to increase the rate of chemical reactions?

Will the catalyst be able to increase the rate of chemical reactions?

Answer:

Not necessarily
The catalyst has a positive catalyst and a negative catalyst, and generally does not specifically refer to both the positive catalyst, i.e., the catalyst that accelerates the reaction.
In general, the catalyst has a positive catalyst (i.e., accelerates the reaction rate) and a negative catalyst (i.e., reduces the reaction rate), and generally does not specifically refer to both the positive catalyst.
Not necessarily, but junior high school, such as manganese dioxide is a positive catalyst, that is, "to speed up the reaction rate", when the teacher should also mentioned "to reduce the rate of response" situation

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