Multiple choice

Which of the following is a method of separating solid substances?

  1. Evaporation

  2. Filtration

  3. Sieving

  4. Decantation

  5. Distillation
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It is correct. Sieving is a method of separating substances that are of different sizes. For example, wheat flour has some fine powdered wheat as well as some bigger impurities. When it is put this through a sieve, the fine powder falls through the small holes in the sieve, while the thicker impurities remain as they are too big to pass through these holes. The solid substances are thus separated.

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