Paints and hair creams are respectively

Options

A. sol and emulsion
B. aerosol and foam
C. emulsion and sol
D. foam and gel.

Answer

To solve the question regarding the classification of paints and hair creams, we will analyze the characteristics of each substance and determine their respective colloidal forms.

### Step-by-Step Solution:

1. **Understanding Colloids**:
- Colloids are mixtures where one substance is dispersed evenly throughout another. They can be classified based on the phases of the dispersed and continuous phases.

2. **Analyzing Paints**:
- Paints are typically composed of pigments (solid particles) suspended in a liquid medium (solvent).
- This means that paints represent a colloid where solid particles are dispersed in a liquid.
- This type of colloid is known as a **Sol**.

3. **Analyzing Hair Creams**:
- Hair creams are generally emulsions, which are mixtures of two immiscible liquids (like oil and water) where one liquid is dispersed in the other.
- In hair creams, the oil phase is dispersed in the water phase, making it a **Emulsion**.

4. **Matching with Options**:
- Now, we need to match our findings with the options provided:
- Option 1: Sol and Emulsion (Correct)
- Option 2: Aerosol and Foam (Incorrect)
- Option 3: Emulsion and Sol (Incorrect)
- Option 4: Foam and Gel (Incorrect)

5. **Conclusion**:
- The correct classification is that paints are **Sol** and hair creams are **Emulsion**. Therefore, the answer is **Option 1**.