Products from oil

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  • Created by: Sam Evans
  • Created on: 21-05-14 21:07
Give two reasons why fractions from crude oil are cracked
To make fuels that are more useful and because large hydrocarbons do not burn easily
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Describe two ways that are used to crack hydrocarbons
By heating a mixture of hydrocarbon vapours and steam to a very high temperature and by passing hydrocarbon vapours over a hot catalyst
2 of 7
Sort these formulae into alkanes and alkenes: C3H6, C5H12, C4H8, C6H14
Alkanes: C5H12, C4H10, C6H14 Alkenes: C3H6, C4H8
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Poly(ethene) is a polymer. Explain what is meant by a polymer
A polymer has very large molecules made by many small monomers
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Describe one use of a smart polymer
Shape memory polymer used for stitching wounds
5 of 7
Some plastics are biodegradable. What does biodegradable mean?
Can be broken down by microorganisms
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Suggest three ways of reducing the problems of plastic rubbish
Use biodegradable polymers, recycle and collect litter for proper disposal
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Other cards in this set

Card 2

Front

Describe two ways that are used to crack hydrocarbons

Back

By heating a mixture of hydrocarbon vapours and steam to a very high temperature and by passing hydrocarbon vapours over a hot catalyst

Card 3

Front

Sort these formulae into alkanes and alkenes: C3H6, C5H12, C4H8, C6H14

Back

Preview of the front of card 3

Card 4

Front

Poly(ethene) is a polymer. Explain what is meant by a polymer

Back

Preview of the front of card 4

Card 5

Front

Describe one use of a smart polymer

Back

Preview of the front of card 5
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