Oquizy

In a fractionating column, which fraction has the lowest boiling point?

Bitumen Diesel Petrol Refinery gas

Which of the following trends is correct as you go up the fractionating column?

Boiling point increases Flammability increases Hydrocarbons become more viscous Molecules get larger

Which is a potential advantage of using biofuels over fossil fuels?

They are always more efficient They can be carbon-neutral They don't emit CO₂ They don't pollute

Which statement correctly compares bioethanol to petrol?

Bioethanol cannot be used in engines Bioethanol is carbon-neutral under ideal conditions Bioethanol produces more CO₂ when burned Petrol is renewable

Which of the following is a renewable biofuel?

Bioethanol Diesel Kerosene Petrol

Which fraction is commonly used for making roads?

Bitumen Diesel Kerosene Petrol

Quiz: Chemistry - Organic Chemistry - Crude Oil