science

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  • Created by: Rose
  • Created on: 22-11-14 23:11
what is an ore
a rock which you can extract a metal from
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what is reduction
removal of oxygen from a compound
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what is an alloy
a mixture of metals and other elements
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whys an alloy stronger then pure metal
because the alloy atoms are harder to slide over eachother because there different sizes
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how was aluminium formed
aluminiums formed at the negative electrode aluminium ions are free to move when aluminium oxide is dissolved in the cryoli''re positive aluminium ions move to negative electrode form oxygen formed at the positive electrode oxygen reacts with the car
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neutrilisation
reaction between an acid and base producing a neutral salt and water
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thermal decomposition
breakdown of compound using heat
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electrolysis
breakdown of compound using electricity
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reduction
removal of oxygen from a compound
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Card 2

Front

what is reduction

Back

removal of oxygen from a compound

Card 3

Front

what is an alloy

Back

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Card 4

Front

whys an alloy stronger then pure metal

Back

Preview of the front of card 4

Card 5

Front

how was aluminium formed

Back

Preview of the front of card 5
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