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Substance that decreases rate of reaction is called:

Practice MCQ for SSC, UPSC, RRB Exams

A. Catalyst A.

B. Promoter B.

C. Inhibitor C.

D. Adsorbent D.

Correct Answer: C সঠিক উত্তর: C

Explanation ব্যাখ্যা

The substance that decreases the rate of a reaction is called an inhibitor.

Key Details:

Inhibitor: A substance that slows down or prevents a chemical reaction by interfering with the process.
Catalyst: A substance that speeds up a chemical reaction.
Promoter: A substance that enhances the catalytic activity of another substance.
Adsorbent: A substance that absorbs another substance onto its surface. This can increase the surface area of contact and potentially speed up a reaction, but it doesn't decrease the rate.

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