Colloidal sols which can be prepared ddirectly by micing a substance with the dispersiion medium are called………..

Explanation

To answer the question, "Colloidal sols which can be prepared directly by mixing a substance with the dispersion medium are called…", we will follow these steps:

### Step-by-Step Solution:

1. **Understanding Colloidal Sols**:
- Colloidal sols are mixtures where one substance (the dispersed phase) is distributed evenly throughout another substance (the dispersion medium).

2. **Types of Colloidal Systems**:
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