Y7 Oxidation and Combustion of Fuels

What is another word for 'burning'?

Fuels formed by living organisms that died millions of years ago are called ___________ fuels.

A substance that contains only hydrogen and carbon is called a _______________

• Combustion

• Hydrogen

• Fossil

• Hydrocarbon

This word equation models the combustion reaction between hydrogen and oxygen.

hydrogen + oxygen --> water

Is oxygen a reactant or product of this reaction?

• Reactant

• Product

This word equation models the combustion reaction between hydrogen and oxygen.

hydrogen + oxygen --> water

Is water a reactant or product of this reaction?

• Reactant

• Product

Complete this word equation to model the combustion reaction of carbon and oxygen:

carbon + oxygen ---> ___________ ____________

What does the cobalt chloride paper test for?

• Hydrogen

• Carbon dioxide

• Water

• Oxygen

What does the limewater test for?

• Hydrogen

• Carbon dioxide

• Water

• Oxygen

How will the thermometer reading change during the experiment?

• The temperature reading will increase

• The temperature reading will stay the same

• The temperature reading will decrease

What will happen to the cobalt chloride paper in this experiment?

• Blue to Pink (due to hydrogen present)

• Pink to blue (due to carbon dioxide present)

• Blue to pink (due to water present)

• Pink to blue (due to water present)