science
Grade-5
Easy

Question

______ is a substance that increases the rate of chemical reactions.

  1. Catalyst 
  2. Protein 
  3. Starch 
  4. Glucose

hintHint:

Catalyst is a substance that increases the rate of chemical reactions.

The correct answer is: Catalyst


    A catalyst is defined as a substance that alters the rate of a reaction without being consumed in the reaction.

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