What are detergents ? Given the scheme of calssification of synthetic detergents . Why are they preferred over soaps ?

Explanation

### Step-by-Step Solution

**Step 1: Definition of Detergents**
Detergents are surface-active agents (surfactants) that are used for cleaning purposes. They help in removing dirt and grease from surfaces, including fabrics.

**Step 2: Chemical Composition**
Chemically, detergents are often sodium salts of long-chain sulfonates or sulfates. This structure allows them to interact effectively with water and oils.

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