Fractional Distillation

What is crude oil primarily composed of?

• Hydrocarbons

• Aqueous solutions

• Metallic elements

• Noble gases

What process is used to separate crude oil into different components?

• Chromatography

• Fractional distillation

• Simple distillation

• Filtration

What property of hydrocarbons determines how they are separated in fractional distillation?

• Boiling points

• Molecular weight

• Solubility in water

• Electrical conductivity

What happens to the vapours in the fractionating column during fractional distillation?

• They ignite spontaneously

• They dissolve into each other

• They react chemically

• They condense at different heights

Which type of hydrocarbon molecules leave the fractionating column as gases?

• Small hydrocarbon molecules

• Large hydrocarbon molecules

• Complex hydrocarbon molecules

• Inorganic hydrocarbon molecules

What are the different mixtures obtained from crude oil called?

• Fractions

• Compounds

• Elements

• Mixtures

What is the main use of the process of cracking in the oil industry?

• To reduce the carbon footprint of oil production

• To increase the boiling point of oil

• To purify the crude oil

• To convert long alkanes into shorter, more useful hydrocarbons

What type of resource is crude oil classified as?

• Finite

• Renewable

• Infinite

• Perpetual

What is the primary result of fractional distillation of crude oil?

• Reduction of oil viscosity

• Solidification of oil

• Creation of a single compound

• Separation into simpler mixtures

What is the state change called when vapours condense in the fractionating column?

• Condensation

• Evaporation

• Deposition

• Sublimation