Peptization is:

Options

A. formation of colloid from precipitate
B. formation fo precipitate from colloid
C. formation fo colloid from solution
D. addtion of colloid in solvent

Answer

**Step-by-Step Solution:**

1. **Understanding Peptization**:
- Peptization is a chemical process that involves the transformation of a precipitate into a colloidal solution.

2. **Definition of Key Terms**:
- **Precipitate**: A solid that forms and separates from a liquid mixture.
- **Colloid**: A mixture where tiny particles of one substance are evenly distributed throughout another substance.

3. **The Process of Peptization**:
- In peptization, a precipitate is treated with a suitable electrolyte, known as a peptizing agent.
- This agent helps to break down the precipitate into smaller particles, which then disperse in the liquid, forming a colloid.

4. **Conclusion**:
- Therefore, peptization can be defined as the process of forming a colloid from a precipitate by using a peptizing agent.

5. **Final Answer**:
- The correct option is: **Formation of a colloid from precipitate**.

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