OCR C2 Revision Flashcards: Amy and Lacey - Making Cars

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True or false: Only iron and steel rust.
True - other metals corrode
1 of 10
What accelerates rusting?
Acid rain and salt water
2 of 10
What is the word equation for rusting?
Iron+Oxygen -> Water+Iron (III) Oxide
3 of 10
Does aluminium corrode? Why?
No, it has a protective layer of aluminium oxide which does not flake off like rust.
4 of 10
True or false: Different metals corrode at the same rate.
False- they corrode at different rates.
5 of 10
What is an alloy?
A mixture of different elements containing at least one metal.
6 of 10
Which is harder: steel or iron?
Steel is harder and stronger as well as being less likely to corrode than iron.
7 of 10
What materials can be used for building cars?
Aluminium and Steel
8 of 10
What are the advantages to a) Aluminium b) Steel ?
Aluminium is lighter and more resistant to corrosion. Steel is cheaper and stronger.
9 of 10
What are the advantages of building cars from aluminium?
They are lighter so fuel economy is improved. Also, aluminium corrodes slowly and so lasts longer.
10 of 10

Other cards in this set

Card 2

Front

What accelerates rusting?

Back

Acid rain and salt water

Card 3

Front

What is the word equation for rusting?

Back

Preview of the front of card 3

Card 4

Front

Does aluminium corrode? Why?

Back

Preview of the front of card 4

Card 5

Front

True or false: Different metals corrode at the same rate.

Back

Preview of the front of card 5
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