C1 Topic 4: Obtaining and using metals

HideShow resource information
What are metals usually found as?
Ores
1 of 23
Why is gold formed pure?
It is unreactive
2 of 23
True or false: the more reactive the metal, the harder it is to extract
True
3 of 23
If a metal is more reactive than carbon, how can it be extracted?
Electrolysis
4 of 23
How is aluminium extracted?
Electrolysis
5 of 23
If a metal is less reactive than carbon, how can it be extracted?
By being heated with carbon
6 of 23
What are the products of zinc oxide + carbon after being heated?
Zinc + carbon dioxide
7 of 23
What is oxidation?
Gaining oxygen
8 of 23
What is reduction?
Losing oxygen
9 of 23
What are the properties of metals?
Good conductor of heat/electricity; malleable; strong
10 of 23
What are the properties of aluminium?
Low density; resistant to corrosion
11 of 23
What is aluminium used for?
Air crafts
12 of 23
What are the properties of copper?
Hard/strong; high melting points; good conductor
13 of 23
What is copper used for?
Cables and pipes
14 of 23
What are the properties of gold?
Shiny; easy to shape
15 of 23
What is gold used for?
Jewellery
16 of 23
What is rusting?
The corrosion of iron or steel
17 of 23
How can rusting be sped up?
Using oxygen (O2) and water (H2O)
18 of 23
What are alloys?
A mixture of a metal emelent and another element (usually another metal)
19 of 23
What are the properties of pure metals?
Soft; particle layers slide
20 of 23
What are the prperties of alloys?
Harder than pure metals; atoms of different sizes; layers do not slide
21 of 23
What can smart alloys do?
Return to their original shape
22 of 23
What are the advantages of recycling?
Uses less money, energy, resources; creates less land fill
23 of 23

Other cards in this set

Card 2

Front

Why is gold formed pure?

Back

It is unreactive

Card 3

Front

True or false: the more reactive the metal, the harder it is to extract

Back

Preview of the front of card 3

Card 4

Front

If a metal is more reactive than carbon, how can it be extracted?

Back

Preview of the front of card 4

Card 5

Front

How is aluminium extracted?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Metals, metal ores and alloys resources »