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Leaching is a process of...

Leaching is a process of

A

Reduction

B

Concentration

C

Refining

D

Oxidation

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The correct Answer is:
B
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Concentration OF Ore|| Physical Method||Magnetic Separation Method||Froth Floatation Method||Chemical Method||Leaching|| Bayer's Process|| Hall's Process||Serpeck's Process||Mac-Arthur Forest Cyanide Process

MOTION-METALLURGY-EXERCISE 1
  1. In the equation: M+8CN^(-)+2H(2)O+O(2)to4[M(CN)(2)]^(-)+4OH^(-) meta...

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  2. Mac-Aurthur forrest process is used for the extraction of –

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  3. Leaching is a process of

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  4. Which of the following is concentrated by electromagnetic method –

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  5. In froath floatation, the oil used is –

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  6. Baeyer’s process is used for the purification of Bauxite containing .....

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  7. An ore of tin containing FeCrO(4) is concentrated by

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  8. Heating pyrities in air to remove sulphur is called

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  9. Purpose of smelting of an one ore is –

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  10. The substance used in the thermite process of reducing metal ores is

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  11. The aim of addition of flux along with the ore during smelting is

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  12. Which one of the following metals is extracted by carbon reduction pro...

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  13. The common method for the extraction of metals from oxide ores involve...

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  14. Specific gravity of slag is

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  15. Heating of carbonates to remove carbon is called as –

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  16. Which one of the following is not a basic flux –

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  17. False statement is –

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  18. Which one of the following reactions is an example for calcination pro...

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  19. Match List-I (Metal) with List-II (Process of Extraction) and select t...

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  20. When a sulphide ore is roasted, the product obtained is usually –

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