4.1.3 Extraction of metals and reduction

Question 1

Ways of extracting metals (2p)

Answer 1

• Reduction
• Electrolysis

Question 2

Reduction (ways of extracting metals)

Answer 2

If the metal is less reactive than carbon, than you can displace it with carbon

Question 3

Benefit of electrolysis

Answer 3

• Can be done with any metal

Question 4

Disadvantage of electrolysis

Answer 4

• Expensive as it uses a lot of energy

Question 5

Advantage of carbon reduction

Answer 5

Less expensive than electrolysis