Question

Alcohol and water are best separated from one another by:
A. Distillation
B. Crystallization
C. Manual separation
D. Chromatography
E. Filtration

Answer 1

Hint: A system of material which comprises two or more different substances mixed together but are not chemically combined is known as a mixture. The separation process is used to transform a mixture of substances into distinct products.

Complete step by step answer:
Most of the time, the substances we see around are not in their pure form. They are basically a mixture of two or more substances. Therefore, there are several types of separation techniques used in segregating a mixture of substances.

For separating the mixture of alcohol and water, we use a technique known as fractional distillation which is further a type of distillation only.
This technique can be applied to separate mixtures of liquids when their boiling point is different. The component with low boiling point vaporizes first. Further, fractional distillation is a separation of mixture into its component parts or fractions. The chemical compounds are separated by heating them to a temperature at which one or more fractions of the mixture will vaporize.

Hence, option A is correct.

Note:
Distillation plays an important role in many water purification techniques. Many fermented products such as alcoholic beverages are purified with the help of this method. Also many perfumes and food flavorings are obtained from herbs and plants via distillation. Moreover, it is also employed on an industrial scale to purify the liquid products obtained from chemical synthesis.