Multiple choice

Which of the following statements is/are correct?

a. Emulsion and gel are both collodial solutions. b. Ultracentrifugation is used to separate the particles of a collodial solution. c. Pigments of natural colours can be separated by chromatography.

  1. Only a

  2. Only b

  3. Only c

  4. Only a and c

  5. All of these
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct answer, as all these statements are correct.

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