What is catalyst in chemistry?

1.	What is catalyst in chemistry?
Answer» Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. Enzymes are naturally occurring CATALYSTS responsible for many essential biochemical reactions. Most SOLID catalysts are METALS or the oxides, sulfides, and halides of metallic elements and of the semimetallic elements boron, ALUMINUM, and silicon. Gaseous and liquid catalysts are commonly USED in their pure form or in combination with suitable carriers or solvents; solid catalysts are commonly dispersed in other substances known as catalyst supports.

Answer»

Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. Enzymes are naturally occurring CATALYSTS responsible for many essential biochemical reactions.

Most SOLID catalysts are METALS or the oxides, sulfides, and halides of metallic elements and of the semimetallic elements boron, ALUMINUM, and silicon. Gaseous and liquid catalysts are commonly USED in their pure form or in combination with suitable carriers or solvents; solid catalysts are commonly dispersed in other substances known as catalyst supports.

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