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Chemistry
Fractional Distillation (Section 6)
Question | Answer |
---|---|
How is crude oil formed? | From the remains of dead plants and animals, particularly plankton |
Will fractions containing smaller hydrocarbons be collected at the top or bottom of the column? | Top |
What immediately happens to crude oil when it enters the fractionating column? | It is vaporised |
From bottom to top, name the different fractions obtained from crude oil | Bitumen, Fuel Oil, Diesel, Kerosene, Petrol, Refinery Gases |
What is bitumen used for? | Surfacing roads and roofs |
What is fuel oil used for? | As fuel for large ships and in power stations |
What is diesel used for? | Fuels in large vehicles |
What is kerosene used for? | Fuel in aircrafts |
What is petrol used for? | Fuel in cars |
What are refinery gases used for? | Domestic heating and cooking |