What is the side product of soap industry ? Give reactions showing soap formation.

Explanation

### Step-by-Step Solution:

**Step 1: Understanding Soap Formation**
- Soap is formed through a process called saponification, which involves the hydrolysis of fats or oils (which are esters of fatty acids) in the presence of a strong base, typically sodium hydroxide (NaOH).

**Step 2: Identifying the Reactants**
- The main reactants in the saponification process are:
- Fats or oils (triglycerides), which are esters of glycerol and fatty acids.
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