Question

Ethanol is a flammable liquid that boils at 78 °C. It mixes completely with water, which boils at 100 °C. (i) Name a suitable method to separate the above liquids. (ii) What is the principle of the technique used for the above mixture ? ​

Answer 1

Answer:

(i) liquid ethanol can be separated from a mixture of ethanol and water by fractional distillation.

Explanation:

(ii) This method works because the liquids in the mixture have different boiling points. When the mixture is heated, one liquid evaporates before the other. ... Vapour forms in the air above the mixture in the flask.