Multiple choice

Which of the following statements is true regarding thixotropy?

  1. The sol reverses back into gel.

  2. The gel shrinks and releases liquid.

  3. The sol transforms into gel.

  4. The solid phase disperses into liquid.

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This option is correct because silica gel and gelatin liquify on shaking, changing into the corresponding sol. The sol, when left undisturbed for some time, reverses back to the gel. This phenomenon of reversible sol-gel transformation is called thixotropy.

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