Multiple choice

Which of the following is not a property of colloids?

  1. A colloid is actually heterogeneous.

  2. The size of particles in a colloid is bigger than that of those in a true solution, but smaller than that of those in a suspension.

  3. A colloid scatters a beam of light passing through it.

  4. The particles of a colloid cannot pass through a filter paper.

  5. Colloids are fairly stable.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. The particles of a colloid can pass through a filter paper. Thus, a colloid cannot be separated by filtration.

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