Oquizy

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 fraction from crude oil is most commonly used for jet fuel?

Bitumen Diesel Kerosene Refinery gas

Crude oil is best described as:

A compound of hydrocarbons A mixture of alcohols and acids A mixture of hydrocarbons A pure element

What is the main component of natural gas?

Butane Carbon monoxide Methane Propane

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

Quiz: Chemistry - Organic Chemistry - Crude Oil