| A | B |
|---|
| General formula for alkanes | CnH2n+2 |
| General formula for alkenes | CnH2n |
| General formula for alcohols | CnH2n+1OH |
| Hydrocarbons | Made up of only hydrogen and carbon. |
| Ethane | Alkane with 2 carbon atoms. |
| Ethanol | Alcohol with 2 carbon atoms. |
| Propene . | Alkene with 3 carbon atoms. |
| Hexene | Alkene with 6 carbon atoms. |
| Incomplete combustion | Occurs in insufficient air supply. |
| Produced during incomplete combustion. | Carbon, carbon monoxide and water vapour. |
| Uses of ethanol | Solvent, beverage and fuel. |
| Fossils | Remains of plants and animals found in rocks. |
| Mitosis | Type of cell division that formsan embryo froma zygote. |
| Phenotype | Physical characteristics. |
| Black objects.... | absorb heat. |
| Silver surfaces... | reflect heat. |
| Nitrogen fixing bacteria | Convert nitrogen into nitrates. |
| 23 | Number of chromosomes in human sperm cells. |
| Amp. | Used to measure current. |
| Zygote | Formed as a result of fertilisation. |
