Write the difference between :
(a) catalysts and enzymes

Explanation

### Step-by-Step Solution:

**1. Definition:**
- **Catalysts:** Catalysts are substances that increase the rate of a chemical reaction without being consumed in the process. They can be either inorganic or organic.
- **Enzymes:** Enzymes are a specific type of catalyst that are biological in nature. They are typically proteins that facilitate biochemical reactions in living organisms.

**2. Composition:**
- **Catalysts:** Catalysts can be made up of various substances, including metals, metal oxides, and other inorganic compounds. They generally have a low molecular weight.
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