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Which of the following is a positively charged sol?

Options

  1. ASilver sol
  2. BSb ₂ ~S ₃ SOl
  3. CMethylene blue sol
  4. DCongo red sol

Correct answer

C. Methylene blue sol

Step-by-step solution

- Methylene Blue sol is a positively charged sol. - Silver sol, Sb ₂ ~S ₃ sol and congo red sol are negatively charged sol.

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