This question is about the combustion of fossil fuels.
Methane, CH4, can undergo complete combustion to produce carbon dioxide and water.
Why is methane a hydrocarbon?
Balance the symbol equation for the complete combustion of methane.
___ CH4  +  ___ O2   →  ____ CO2  +  ___H2O Â
Methane can also undergo incomplete combustion to produce carbon monoxide and water.
Complete the sentence to explain why this happens.
Incomplete combustion happens because there is not enough ________________________ for the fuel to burn in.Â
People often have carbon monoxide detectors in their homes to detect the presence of this gas.
Which properties of carbon monoxide make this necessary?Â
Tick (✓) three boxes.
 It is toxic |  |
 It is acidic |  |
 It is colourless |  |
 It is odourless |  |
 It is a particulate |  |
 It is alkaline |  |
Did this page help you?