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Why are lyophilic colloids considered protective in the context of lyophobic colloids?

Options

  1. AThey induce coagulation
  2. BThey form dispersion
  3. CThey enhance solvation
  4. DThey form protective layers

Correct answer

D. They form protective layers

Step-by-step solution

Lyophilic colloids are considered protective because, when added to lyophobic sols, they form protective layers around lyophobic particles, as mentioned in the paragraph.

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