Extraction of metals and industrial processes

Question 1 of 10

The Haber process manufactures

Question 2 of 10

The process that makes sulphuric acid is the ___ process.

Question 3 of 10

Slag floats on molten iron in the blast furnace.

Question 4 of 10

Gold in Ghana is often extracted from its ore by

Question 5 of 10

Describe the extraction of iron from haematite in the blast furnace. Write equations for the main reactions and explain the role of limestone.

Question 6 of 10

Rusting of iron requires

Question 7 of 10

The Contact process manufactures

Question 8 of 10

Describe the Contact process for the manufacture of sulphuric acid. Include the equations, the catalyst and the conditions, and explain why SO₃ is not dissolved directly in water.

Question 9 of 10

Discuss the environmental effects of illegal small-scale gold mining (galamsey) in Ghana from a chemical point of view.

Question 10 of 10

Painting iron prevents rusting by keeping out air and water.