Question

During a reaction, a catalyst is used when -
(a) temperature is high
(b) temperature is low
(c) pressure is high
(d) pressure is low​

Answer 1

Answer:

A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism. Enzymes are proteins that act as catalysts in biochemical reactions.

Answer 2

Answer:

temperature is low

Explanation:

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