JEE Main 2021 · 17 March · morning · Single correct · +4 / −1

A colloidal system consisting of a gas dispersed in a solid is called a/an :

  1. (a) foam
  2. (b) aerosol
  3. (c) solid sol
  4. (d) gel
Answer and solution

Answer (c) solid sol

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Study Surface Chemistry

Asked about 80 times in JEE Main since 2020. This question is from 2021.