C1,Hydrocarbons as fuels 0.0 / 5 ? ChemistryCrude oil, cracking and hydrocarbonsGCSEAQA Created by: emmajane_Created on: 27-05-14 15:31 When do fuels burn? When they react with oxygen in the air 1 of 8 When does comeplete combustion happen? When lots of air is fupplied to the fuel 2 of 8 What do hydrocaron fuels contain and what happens during combustion? Carbon and hydrogen and hydrogen is oxidised by water 3 of 8 What happens to hydrogen and carbonduring incomeplete combustion? Hydrogen is still oxidised by water but carbon turns into carbon monoxide instead of carbon dioxide 4 of 8 What is released during incomeplete combustion? solid particles containing carbon are released and is seen as soot. This blocks out the earths sunlight from reaching the earth 5 of 8 What is dissolved in water to form a weak acidic solution and what does this mean? Carbon dioxide, and means rainwater is naturally slightly acidic 6 of 8 How does acid rain affect trees? It damages their waxy layers, making it more difficult to absotrb the minerals they need 7 of 8 What does coal and most hydrocarbon fuels contain? sulphur compounds 8 of 8
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