Q3 of 11 Page 108

Write the different stages involved in metallurgy.

Metallurgy involves all processes leading to the separation of a pure metal from its ore. The 3 important stages in metallurgy are-

•Concentration of ores – removal of gangue from ore


•Extraction of metal from concentrated ore – conversion of concentrated ore to oxide and reduction of oxide to get metal.


•Refining of metal – removal of impurities from metal to get pure metal.


More from this chapter

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1

Which of the properties of metals is utilized in the following instances?

- Aluminium utensils are used for cooking.


- Copper is used for making vessels.


- Gold wires are used in ornaments.

 2

What are the factors to be considered while selecting minerals for the extraction of metals?

 4

What are the different methods for the refining of metals?

 5

How is iron extracted?