Yr 10 Fuels Pre-test

Which of the following is NOT likely to be derived from crude oil?

• petrol
• natural gas
• plastics
• ethanol

The process by which petrol, diesel and kerosene are separated from crude oil is:

• fractional distillation
• refluxing
• filtration
• steam condensation

Alkanes contain what elements?

• hydrogen and oxygen
• carbon, hydrogen and oxygen
• carbon and hydrogen
• carbon and oxygen

The products of complete combustion of fuels are:

• carbon monoxide and water
• carbon dioxide and water
• carbon dioxide and hydrogen
• oxygen and carbon (soot)

The formula of methane is:

• C₂H₄
• CH₄
• C₂H₆
• CH₂

How many carbon atoms are found in pentanol?

• 6
• 5
• 4
• 3

What fuel is produced through fermentation?

• methane
• methanol
• ethane
• ethanol

Ethanol has a boiling point of 78°C. What temperature would you heat a mixture of ethanol and water to distil just the ethanol?

• 60 °C
• 70 °C
• 80 °C
• 100 °C

Incomplete combustion of fuels is dangerous because it produces which of the following gases?

• carbon dioxide
• sulphur dioxide
• carbon monoxide
• nitrous oxide

A chemical that is used to make plastic is a:

• polymer
• monomer
• elastomer
• hydromer