C1 - Mixed questions on metals

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  • Created by: kat-y
  • Created on: 03-05-16 20:45
Aluminium does not rust because...
its surface is protected by a natural layer of aluminium oxide which prevents the metal below from coming into contact with air and water
1 of 8
The most reactive metals are least resistant to corrosion. True or false?
True
2 of 8
Silver, gold and platinum do not corrode at all. True or false?
True
3 of 8
Define 'ores'
Ores are naturally occuring rocks that contain metal or metal compounds sufficient enough to make it worthwhile extracting them
4 of 8
How are alloys made?
By mixing a metal with another metal/material in order to improve the properties.
5 of 8
How is iron extracted?
By heating it with carbon
6 of 8
What happens to the ores of reactive metals before it is extracted by electrolysis?
It is melted.
7 of 8
Rusting is a form of...
Corrosion
8 of 8

Other cards in this set

Card 2

Front

The most reactive metals are least resistant to corrosion. True or false?

Back

True

Card 3

Front

Silver, gold and platinum do not corrode at all. True or false?

Back

Preview of the front of card 3

Card 4

Front

Define 'ores'

Back

Preview of the front of card 4

Card 5

Front

How are alloys made?

Back

Preview of the front of card 5
View more cards

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