| A | B |
|---|
| Contain hydrogen and carbon only | Hydrocarbons |
| Separates the crude oil mixture | Fractional Distillation |
| Breaks down large hydrocarbons | Cracking |
| Traps crude oil | non-porous rock |
| Crude oil,natural gas, coal | Fossil Fuels |
| Simplest alkane | methane |
| Has single carbon carbon bonds | alkanes |
| Has double carbon carbon bonds | alkenes |
| Simplest alkene | ethene |
| The joining of unsaturated hydrocarbons | Polymerisation |
| A polymer of ethene | poly(e)thene |
| Burning | Combustion |
| Compounds formed during combustion | Oxides |
| Turns cobalt chloride paper pink | water |
| Made when nitrogen and oxygen react at high temperatures | nitrogen oxides |
| Given off by sulphur containing fuels | sulphur dioxide |
| Turns limewater cloudy | carbon dioxide |
| Both form acid rain | sulphur dioxide & nitogen oxides |
| Both types of plastic | PVC & poly(e)thene |
| Global warming | Linked with higher levels of carbon dioxide |
