GCSE Chemistry revision cards

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What is an ore?
A mineral which contains sufficient metal to make extraction worthwhile.
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State 2 environmental issues with mining ores
Any 2 from; -CO2 is released {leads to global warming}, dust & dirt released, and it destroys natural habitat
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What is reduction?
Loss/removal of oxygen from it's ore
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What process is used to separate hydrocarbons?
Fractional Distilation
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Apart from colour, state two ways in which a food cooked in olive oil will be different to a food cooked in water
-Crispier -Tastes nicer
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Fill in the missing word(s): The boiling point of olive oil compared to the boiling point of water is _______
Higher
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What is the reaction to produce ethanol from sugar solution?
Fermentation
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What are alkanes?
Alkanes are made up of hydrocarbons from crude oil, containing hydrogen and carbon only. They take the general formula CnH2n+2
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Other cards in this set

Card 2

Front

State 2 environmental issues with mining ores

Back

Any 2 from; -CO2 is released {leads to global warming}, dust & dirt released, and it destroys natural habitat

Card 3

Front

What is reduction?

Back

Preview of the front of card 3

Card 4

Front

What process is used to separate hydrocarbons?

Back

Preview of the front of card 4

Card 5

Front

Apart from colour, state two ways in which a food cooked in olive oil will be different to a food cooked in water

Back

Preview of the front of card 5
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