Metals

Question 1

WHAT HAPPENS WHEN COPPER CARBONATE IS HEATED

Answer 1

Carbon dioxide is produced

Question 2

HOW IS IRON EXTRACTED?

Answer 2

By heating a mixture of iron oxide and carbon in a blast furnace

Question 3

METAL ORE

Answer 3

Mineral/ mixture of minerals from which it is economically viable to extract some metal

Question 4

What do most ores contain

Answer 4

Metal oxides eg rust= iron oxides

Question 5

Reduction

Answer 5

Reduce the oxygen

Question 6

Un reactive metals are found

Answer 6

Native in the ground (gold)

Question 7

Metals less reactive than Carbon are extracted by

Answer 7

Heating with Carbon (coal)

Cheap but causes pollution

Question 8

More reactive metals can be extracted by

Answer 8

Electrolysis
Expensive
Lot of energy

Question 9

3 ways of extracting copper

Answer 9

Bioleaching
Phytomining
Using scrap iron

Question 10

Phytomining

Answer 10

Used plants

Plant are burnt to get the copper out

Question 11

Bioleaching

Answer 11

Bacteria to extract copper from solutions

Question 12

Using scrap iron

Answer 12

Putting scrap iron into copper solutions can product copper metal