Fractional Distillation of Crude Oil Quiz

What is the primary purpose of fractional distillation?

• To mix different liquids together

• To separate a mixture into its component parts

• To increase the viscosity of a liquid

• To change the color of a liquid

In a fractionating tower, what happens to the boiling points as you move upwards?

• They fluctuate randomly

• They decrease

• They remain constant

• They increase

Which fraction is found at the base of the fractionating tower?

• Bitumen

• Petrol

• Kerosene

• Refinery gases

How does the color of fractions change as you move up the fractionating tower?

• They become darker

• They become lighter

• They remain the same

• They change to blue

What is the relationship between hydrocarbon chain length and boiling point?

• Longer chains have higher boiling points

• Shorter chains have higher boiling points

• Chain length does not affect boiling point

• Longer chains have lower boiling points