Multiple choice

When sodium hydroxide is added to ferric chloride solution, a reddish-brown precipitate is formed. The precipitate is separated from the mixture by the process of

  1. evaporation

  2. sublimation

  3. filtration

  4. fractional distillation

  5. _
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

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