Multiple choice

Consider the following solutions and their respective particle sizes:

Solution (a) – 80 nm Solution (b) – 0.5 nm Solution (c) – 120 nm Solution (d) – 90 nm

Which of the above solutions is not a colloid?

  1. (a)

  2. (b)

  3. (c)

  4. (d)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The correct answer is (2), because the particle size in colloidal solution is 1 nm - 1000 nm.

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