Fractional Distillation -Multiple Choice Questions Quiz

Interactive MCQs on “Fractional Distillation”:

Solve the following 10 questions: Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: Which method is used to separate different components of a liquid mixture with varying boiling points?

(a) Filtration
(b) Fractional distillation
(c) Centrifugation
(d) Evaporation

Question 2: What is the primary principle behind fractional distillation?

(a) Solubility differences
(b) Density differences
(c) Boiling point differences
(d) Vapor pressure differences

Question 3: In fractional distillation, the component with the lowest boiling point will:

(a) Vaporize and condense first
(b) Remain at the bottom of the distillation column
(c) Vaporize and condense last
(d) Not undergo any change

Question 4: What is the purpose of the fractional distillation column in the setup?

(a) To increase the pressure during distillation
(b) To increase the efficiency of the process
(c) To remove impurities from the mixture
(d) To cool down the vapors before condensation

Question 5: Which of the following mixtures can be effectively separated using fractional distillation?

(a) Saltwater
(b) Air
(c) Sand and water
(d) Sugar and water

Question 6: During fractional distillation, where is the hottest part of the apparatus located?

(a) At the top of the fractional distillation column
(b) At the bottom of the fractional distillation column
(c) At the inlet where the liquid mixture is introduced
(d) At the outlet where the separated components are collected

Question 7: What is the purpose of the condenser in fractional distillation?

(a) To heat the liquid mixture
(b) To vaporize the separated components
(c) To cool and condense the vapors
(d) To increase the pressure in the system

Question 8: Which factor determines the number of theoretical plates required for effective separation in fractional distillation?

(a) Boiling points of the components
(b) Volume of the liquid mixture
(c) Density of the components
(d) Molecular weights of the components

Question 9: What is the main difference between fractional distillation and simple distillation?

(a) Fractional distillation uses a condenser, while simple distillation does not.
(b) Fractional distillation is used for separating solids, while simple distillation is used for separating liquids.
(c) Fractional distillation involves multiple vaporization and condensation steps, while simple distillation involves only one.
(d) Fractional distillation requires a higher temperature than simple distillation.

Question 10: Which component will have the highest concentration in the collected distillate during fractional distillation?

(a) The component with the lowest boiling point
(b) The component with the highest boiling point
(c) The component that was added first to the mixture
(d) The component that was added last to the mixture