Multiple choice

Filtration is used to separate _______ from a liquid.

  1. gases

  2. liquid

  3. solid

  4. all of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Filtration specifically separates undissolved solid particles from a liquid - the filter paper allows the liquid to pass through while trapping solid particles. Gases pass through filters, liquids mix with liquids, and 'all of these' would be incorrect because filtration cannot separate gases or miscible liquids.