Fossil Fuels

Ethane is

• CH₄

• C₃H₈

• C₂H₆

• C₄H₁₀

Crude oil is

• an element

• a compound

• a mixture

• a mixture and a compoujnd

Natural gas is extracted from

• deep underground reservoirs

• small pockets of liquid gas

• underwater wells

• Shale rock

CH₄ compared to C₄H₁₀ is

• higher viscosity, lower boiling point

• lower viscosity, lower boiling point

• higher viscosity, higher boiling point

• lower viscosity, higher boiling point

coal is made from

• decayed plants and animals on land

• ancient plankton and sea life

• sedimentary rock under pressure

• peat moss

If you have a hydrocarbon with 2 carbons, how many hydrogens does it have?

• two hydrogens

• three hydrogens

• five hydrogens

• six hydrogens

A decrease in the boiling point of a crude oil hydrocarbon means an increase in ...

• volatility

• number of carbons

• viscosity

• the level it rises in the tower

C₃H₈ is ...

• Ethane

• Methane

• Propane

• Butane

Natural gas is extracted through a process called

• fractional distillation

• hydraulic fracturing

• oil pump extraction

• negative pressure extraction

In a fractional distillation tower the hottest part is

• at the top

• in the middle

• at the bottom