What do you mean by catalyst

1.	What do you mean by catalyst
Answer» It is a substance which speed up the reaction without involving in the reaction Catalyst is a substance which does not consume in a chemical reaction but it increase or decrease the rate of chemical reaction for example molybdenum in the process of ammonia molybdenum is used as a catalyst Catalyst Catalyst are substance that cause a reaction to occur or proceed at a different rate without the reaction itself being affected.

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