Fossil Fuels

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Fossil Fuels

Fossil Fuels and Hydrocarbons:

1) The majority of the fuels we use contain just two elements, carbon and hydrogen.(These are known as hydrocarbons.

2) Many hydrocarbons are fossil fuels, formed from the remains of the plants and animals over millions of years. These fuels e.g. crude oil, are drilled out of the earth and then refined to make useful products like petrol and diesel.

  • Fuels such as petrol, diesel fuel and fuel oil are all mixtures of hydrocarbons.
  • The only difference between these fuels is the size of the hydrocarbons they contain.

3) Coal is different, it's not a hydrocarbon. It contains lots of impurities, but is mainly just

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