Chem Comm ~ Crude part 1

Petroleum and natural gas form from...

• strong winds
• cooled magma
• radioactive materials
• remains of plants and animals 

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 decaying organisms
• Mostly lava and a few sedimentary rocks
• Mostly metal minerals

Which of these is NOT a fossil fuel?

• Coal

• Oil

• Olive Oil

• Natural Gas

Which of these is used in vehicles (and can be made from substances in crude oil)?

• Polymer

• Fuels

• Solvent

• Lubricants

How long does it take crude oil to form?

• 6 months

• billions of years

• millions of years

• a couple of years

Crude oil is an example of a fossil fuel.

• Yes

• No

Crude oil is...

• a mixture of compounds

• a fossil fuel

• formed over millions of years ago

• all are correct

Which of the following compounds is an example of hydrocarbon?

• CO₂

• C₂H₅OH

• CH₃COOH

• C₂H₆