The Extraction of Zinc & Copper

Question 1

What is the main ore of zinc?

Answer 1

Zinc blende

Question 2

What are the raw materials used to extract zinc?

Answer 2

Coke, Air and Zinc Blende

Question 3

First what happens to the zinc?

Answer 3

It is roasted in air, causing the following reaction:

2ZnS + 3O₂ → 2ZnO + 2SO₂

Question 4

What happens to the zinc oxide?

After it have been extracted.

Answer 4

It is heated with coke in the blast furnace, causing the following reaction:
ZnO + C → Zn + CO

Question 5

Zinc can be used for _______.

Answer 5

Galvanising

Question 6

What is the main ore of copper?

Answer 6

Copper pyrites (CuFeS₂)

Question 7

Write out the process of extracting copper.

Answer 7

Purification of iron ore → Roasting in Air → Metallic Copper → Electrolytic Refining

Question 8

Write out the process of extracting zinc

Answer 8

Purification of Iron Ore → Roasting in air → Blast furnace → Zinc

Question 9

Zinc sulfur (ore) extraction uses _______.

Answer 9

Blast furnace