Question

Differences between distillation and fractional distillation.

Answer 1

Distillation	Fractional distillation
1. Distillation is a process used to separate liquids with a difference in boiling points greater than $25°\mathrm{C}$.	1. Fractional distillation is a process used to separate liquids with a difference in boiling points less than $25°\mathrm{C}$.
2. The experimental setup needs a simple apparatus with two simple flasks and a condenser.	2. The experimental setup needs a complex apparatus with a fractioning column.
3. Every vaporization-condensation step is recognized as simple distillation.	3. In a method of fractional distillation, multiple simple distillation processes are carried out with small losses in one apparatus.
4. For example, water can be separated from seawater by using the distillation method.	4. For example, the mixture of ethanol and water can be separated by the fractional distillation method.