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Which of the following is concentrated b...

Which of the following is concentrated by electromagnetic method –

A

Haematite

B

Cinnabar

C

Argentite

D

Galena

Text Solution

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The correct Answer is:
A
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MOTION-METALLURGY-EXERCISE 1
  1. Mac-Aurthur forrest process is used for the extraction of –

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  2. Leaching is a process of

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

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  4. In froath floatation, the oil used is –

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

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

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  7. Heating pyrities in air to remove sulphur is called

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  8. Purpose of smelting of an one ore is –

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

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

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

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

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  13. Specific gravity of slag is

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

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

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  16. False statement is –

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

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

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

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  20. Which of the following curves assures that the metal obtained by carbo...

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