The potassium hydroxide is used in the manufacture of -

Options

A. Cement
B. Glass
C. Soft soap
D. Both (1) & (2)

Answer

**Step-by-Step Solution:**

1. **Identify the Compound**: The question asks about potassium hydroxide, which is chemically represented as KOH.

2. **Understand the Uses of Potassium Hydroxide**: Potassium hydroxide is a strong base that has various applications in different industries.

3. **Focus on Soap Manufacturing**: One of the primary uses of potassium hydroxide is in the manufacture of soap. Specifically, it is used in the saponification process.

4. **Saponification Process**: Saponification is a chemical reaction that occurs when fats or oils react with a strong base, such as potassium hydroxide, to produce soap and glycerol.

5. **Potassium Soap vs. Sodium Soap**: The soap produced from potassium hydroxide is known as potassium soap or soft soap. This type of soap is softer and more soluble in water compared to sodium soap, which is made using sodium hydroxide.

6. **Properties of Potassium Soap**: Potassium soaps require less water to liquefy and contain more cleaning agents than sodium soaps, making them more effective in certain applications.

7. **Conclusion**: Therefore, potassium hydroxide is primarily used in the manufacture of soft soap.

**Final Answer**: Potassium hydroxide is used in the manufacture of soft soap.

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