Formation of Crude Oil & Natural Gas

Crude oil is an example of a fossil fuel.

• Yes

• No

How long does it take crude oil to form?

• 6 months

• billions of years

• millions of years

• a couple of years

What is crude oil formed from?

• Dead animals and plants

• Rocks

• Natural Gas

• Coal

What is crude oil made up of?

• Carbon and Sulphur

• Gas

• Coal

• Hydrocarbons

Crude oil is...

• a mixture of compounds

• a fossil fuel

• formed over millions of years ago

• all are correct

What elements do hydrocarbons contain

• Only carbon & sulphur

• Only carbon, hydrogen & oxygen

• Only carbon & hydrogen

• Carbon, hydrogen and other elements

Fossil Fuels formed over long periods of time after particles in water settled to the sea floor and formed marine mud. What kinds of particles needed to be present in the marine mud in order for fossil fuels to form.

• Mostly sand and a few small bits of wood

• Mostly lava and a few sedimentary rocks

• Mostly decaying organisms

• Mostly metal minerals

Which of the following compounds is an example of hydrocarbon?

• CO₂

• C₂H₅OH

• CH₃COOH

• C₂H₆