Metallurgy easy

Metallurgy Quiz (Easy)

1. What is the process of extracting metals from their ores called?

a) Melting b) Metallurgy c) Mining

2. Which metal is obtained from bauxite ore?

a) Iron b) Copper c) Aluminium

3. The process of converting an ore into its oxide by heating it strongly in the presence of excess air is called:

a) Smelting b) Calcination c) Roasting

4. What is the main reducing agent used in the extraction of iron from its ore in a blast furnace?

a) Coke b) Carbon dioxide c) Limestone

5. Which metal is obtained from its ore by the process of electrolysis?

a) Copper b) Zinc c) Aluminium

6. The process of heating a concentrated ore in the absence of air to obtain a metal oxide is called:

a) Smelting b) Calcination c) Roasting

7. Which metal is extracted from its ore by the Mond process?

a) Copper b) Silver c) Nickel

8. What is the process of converting a metal oxide into its pure metal by using a suitable reducing agent?

a) Electrolysis b) Reduction c) Oxidation

9. The process of extracting metals from their ores by dissolving them in a suitable chemical solution is called:

a) Smelting b) Roasting c) Leaching

10. Which metal is obtained from its ore by the process of liquation?

a) Lead b) Aluminium c) Zinc