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Which of the following statements is true about catalysts? and Why?

ACatalysts slow down the rate of chemical reactions
BAll catalysts are enzymes
CCatalysts are used up during a chemical reaction
DCatalysts lower the activation energy of a chemical reaction

Verified Answer :

MissPhiladelphia

I believe the correct answer from the choices listed above is option D. Catalysts lower the activation energy of a chemical reaction. It is a substance which speeds up a reaction, but is chemically unchanged at the end of the reaction. It provides another pathway for the reaction to occur.

Your answer will be C. It's not D i just took the test


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