Cockermouth School AQA GCSE Organic Chemistry F

What is crude oil?

• Fossils
• A mixture of hydrocarbons
• A lubricant
• Petrol
• Tar

What is formed from the remains of ancient biomass (mostly plankton) that was buried in mud?

• Gas
• Napthol
• Crude oil
• Diesel
• Alcohol

A resource that will eventually run out is known as…?

• Renewable

• Useful

• Infinite

• Carbon neutral

• Finite

Which of the following is a finite resource?

• Wood
• Crude oil
• Water
• Carbon
• Biodiesel

A substance made of hydrogen and carbon ONLY is called a…?

• Carbohydrate
• Carbohydrogen
• Hydrocarbon
• Hydroxide
• Carbon dioxide

A mathematical formula which allows you to work out the chemical formula of a substance is the…?

• General formula
• Corporal formula
• Molecular formula
• Structural formula
• Empirical formula

Which homologous series do hydrocarbons that contain only single bonds belong to?

• Alkane
• Alkene
• Hydroalkane
• Hydrocarbons
• Alkyne

Name the first four alkanes

• Ethane, methane, propene, butene
• Ethane, methane, propane, butane
• Methane, ethane, butane, propane
• Methane, ethane, butane, pentane
• Methane, ethane, propane, butane

What is the general formula for alkanes?

• C_nH_2n

• C_nH_2n+2

• C_2nH_2n+2

• C_nH_n+2

• C_2nH_2n

How happens to the boiling point as the length of an alkane increases?

• Depends
• Stays the same
• Increases
• Decreases
• Unchanged