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Extraction of metal from the ore cassite...

Extraction of metal from the ore cassiterite involves

A

carbon reduction of an oxide ore

B

self-reduction of a sulphide ore

C

removal of copper impurity

D

removal of iron impurity

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The correct Answer is:
A, C, D
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Minerals from which metals can be extracted economically and easily are called ores.The extraction of metals from theirs ores involves the following processes. (i)Concentration. (ii)Calcination | roasting | leaching . (iii)Reduction. It is carried out be one of the following methods. Silver is extracted from its native ore by :

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ALLEN-METALLURGY-EXERCISE-05 [B]
  1. The chemical composition of slag formed during the smelting process in...

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  2. Which of the following processes is used in extractive metallurgy of m...

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  3. In the process of extraction of gold , Roasted gold ore + CN((aq))^...

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  4. The methods chiefly used for the extraction of lead and tin from their...

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  5. Which ore contains both potassium and magnesium?

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  6. A(1) and A(2) are two ores of metal M.A(1) on calcination gives a blac...

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  7. Match the column :

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  8. By which process and is extracted from zinc blende?

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  9. Match the column:

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  10. Native silver metal forms a water soluble complex with a dilute aqueou...

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  11. Copper is the most noble of first row transition metals and occurs in ...

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  12. Copper is the most noble of first row transition metals and occurs in ...

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  13. Copper is the most noble of first row transition metals and occurs in ...

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  14. Extraction of metal from the ore cassiterite involves

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  15. Oxidation state of the metal in the mineral zincite is

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  16. In the cyanide extraction process of silver form argentite ore , the o...

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  17. Sulphide does are common for the metals

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  18. The carbon-based reduction method is NOT used for the extraction of

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  19. Upon heating with Cu(2)S, the reagent (s) that give copper metal is//a...

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  20. How is copper extracted from copper pyrites ?

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