Multiple choice

Ethyl alcohol is mixed completely with water. How ethyl alcohol is separated from the mixture?

  1. By separation flannel

  2. By evaporation

  3. Partial distillation

  4. Evaporation of water
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Fractional distillation (partial distillation) separates miscible liquids with different boiling points. Ethanol boils at 78°C while water boils at 100°C, so repeated vaporization-condensation cycles can enrich the ethanol content. Simple evaporation wouldn't work as both components would evaporate, and 'separation flannel' is not a standard separation technique.

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