Crude Oil and Hydrocarbons Quiz

What is crude oil primarily composed of?

• Pure carbon

• Only hydrogen

• Water and minerals

• A mixture of hydrocarbons

What process is used to convert long alkanes into shorter, more useful hydrocarbons?

• Fractional distillation

• Cracking

• Polymerization

• Combustion

Which of the following is NOT a product derived from crude oil?

• Petrol

• Diesel

• Wood

• Kerosene

What is a hydrocarbon?

• A mixture of hydrogen and oxygen

• A form of water

• A compound containing only hydrogen and carbon

• A type of metal

What is the primary source of crude oil?

• Atmospheric gases

• Volcanic activity

• Ancient dead marine organisms

• Plant photosynthesis

Which process is used to separate crude oil into different components?

• Cracking

• Fractional distillation

• Polymerization

• Combustion

What is the main use of hydrocarbons obtained from crude oil?

• Construction materials

• Fuel for energy

• Food production

• Textile manufacturing

Which of the following is a characteristic of alkanes?

• They are unsaturated hydrocarbons

• They contain double bonds

• They are saturated hydrocarbons

• They contain triple bonds

What term is given to a compound which contains atoms of carbon and hydrogen only?

• alkene

• hydrocarbon

• alkane

• saturated

Alkenes have the general formula:

• CnH2n

• CnH2n+1

• CnH2n+2

• CnHn