Gases of the air - Hydrocarbon fuels and combustion Flashcards
What is the fire triangle
Fuel , oxygen , heat
What is a fuel?
A substance that burns to release energy
What do you call fuels and that only made out of hydrogen and carbon?
Hydrocarbon fuel
Write out the equation for combustion?
Fuel + oxygen + heat ——-> carbon dioxide + water
Name three fuels are known as fossil fuels?
Oil , natural gas , coal
Where does coal come from?
From dead plant materials
Where does natural gas and oil come from?
From dead sea creatures
What is the word equation for combustion of wax [ a hydrocarbon ]?
word equation : Wax + oxygen —-> carbon dioxide + water
Testing for the presence of water H2O
White anhydrous copper sulphate turns blue
Testing for the presence of carbon dioxide CO2
Bubble through limewater and it turns milky
A fire can be stopped by removing what?
heat , fuel , oxygen
How does a fire blanket work?
it restricts oxygen from being obtained by the fire
