COMBUSTION REACTION

Which is the scientific word for burning?

• oxidation

• combustion

• displacement

• neutralisation

What are the three parts of the fire triangle?

• fuel, oxygen, heat

• earth, air, fire

• magnesium, oxygen, heat

• heat, air, wood

Which word is used to describe something which is burned to release energy?

• petrol

• fuel

• reactant

• wood

Which substance is a reactant in every combustion reaction?

• Carbon dioxide

• butane

• oxygen

• water

Which of the following is not an example of how combustion reactions are used?

• to heat our homes

• to generate electricity

• to clean toilets

• to power cars

Which type of reaction is combustion?

• endothermic

• reduction

• oxidation

• displacement

Octane is a fuel used in cars, which contains only carbon and hydrogen atoms. What is produced when octane burns?

• carbon dioxide and water

• carbon and hydrogen

• carbon dioxide only

• water only

Hydrogen is a fuel used in space rockets. What is produced when hydrogen burns?

• carbon dioxide only

• carbon dioxide and water

• carbon and hydrogen

• water only

Methane is a fuel which contains only carbon and hydrogen atoms. Which is the correct word equation for the combustion of methane?

• methane + oxygen → methane oxide + water

• methane + oxygen → carbon dioxide + water

• methane + oxygen → methane oxide

• methane + oxygen → carbon dioxide