________ is a process by which components in a chemical mixture are separated into different parts according to different boiling points in a fractionating column.

Vacuum distillation

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Steam distillation

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Fractional distillation

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None of the above

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Solution

The correct option is C Fractional distillation
Vacuum distillation is a distillation of a liquid under reduced pressure, enabling it to boil at a lower temperature than normal.

Steam distillation of a liquid in a current of steam used especially to purify liquids that are not very volatile and are immiscible with water.

Fractional distillation is a separation of a liquid mixture into fractions differing in boiling point (and hence chemical composition) by means of distillation, typically using a fractionating column.

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Fractional distillation is the separation of a mixture of miscible liquids into its component parts based on the difference in their boiling points. Based on this information, fractional distillation is a __________ process.

Q. Separation of a mixture into its components, whose boiling points are different, is called :

Fractional distillation is the separation of a mixture into its component parts or fractions. This is the process of separation of chemical compounds due to difference in their boiling point. The mixture is heated to a temperature at which one or more fractions (component parts) will vaporize. It is a special type of distillation.

Air is a homogeneous mixture of 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases such as helium, krypton, nitrogen dioxide etc.

Consider three gases oxygen, nitrogen and argon whose boiling points are -183, -196, -186 degree celsius, they are to be separated from air using fractional distillation.

Air is compressed by increasing the pressure and then cooled by decreasing the temperature in order to get liquid air. This liquid air is allowed to warm-up slowly in a fractional distillation column, where gases get separated at different heights depending upon their boiling points. As the height of tower increases the temperature increases.

Statement: The temperature is ____ at the base of the fractional distillation column.

Fractional Distillation is the separation of a mixture into its component parts or fractions. This is the process of separation of chemical compounds by their boiling point, the mixture is heated to a temperature at which one or more fractions (component parts) will vaporize. Generally the component parts boil at less than 25°C from each other under a pressure of one atmosphere. It is a special type of distillation.

Air is a homogeneous mixture of 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases like Helium, Krypton, Nitrogen dioxide etc.

Consider three gases Oxygen, Nitrogen and Argon whose boiling points are -183, -196, -186 degree celsius, that are to be separated from air using Fractional Distillation.

The air is compressed by increasing the pressure and is then cooled by decreasing the temperature to get liquid air. This liquid air is allowed to warm-up slowly in a fractional distillation column, where gases get separated at different heights depending upon their boiling points. As the height of tower increases the temperature increases.

State True of False:

Statement: The temperature is low at the base of the Fractional Distillation.

The process which is used to separate a mixture of two or more miscible liquids for which the difference in boiling points is less than 25 K is Fractional distillation.

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