MCQ
A substance which alters the rate of reaction:
- AReactant.
- BProduct.
- CIngredient.
- ✓Catalyst.
✓
Answer
Correct option: D.
Catalyst.
Catalyst is a substance that changes $($usually increases$)$ the rate of a reaction, without being involved in the reaction. A catalyst provides large surface area to one of the reactants, providing it an exposure to be reacted upon by the other reactant.
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