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In which of the sols, the colloidal particles are with negative charge?

Options

  1. ATiO 2
  2. BHaemoglobin
  3. CStarch
  4. DHydrated A ℓ 2 O 3

Correct answer

C. Starch

Step-by-step solution

In general natural colloids are negative sol. Starch is example of negative sol.

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