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The chemical formula of bauxite is...

The chemical formula of bauxite is

A

`Al_2O_3. H_2O`

B

`Al_2O_3. 2H_2O`

C

`Al_2O_3. 3H_2O`

D

`KAlSi_3O_8`

Text Solution

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The correct Answer is:
B
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MOTION-METALLURGY-EXERCISE 1
  1. The rocky and siliceous matter associated with an ore is called:

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  2. Consider – (1) Copper blende = Cu2O (2) Pyrolusite = MnO2 (3) ...

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  3. The chemical formula of bauxite is

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  4. The most common ore of copper is –

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  5. Froth floatation process is used for the concentration of

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  6. Concentration of copper pyrites is done by -

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  7. Which of the following metals is obtained by leaching out process usin...

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

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

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  10. Leaching is a process of

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

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  12. In froath floatation, the oil used is –

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

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

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  15. Heating pyrities in air to remove sulphur is called

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  16. Purpose of smelting of an one ore is –

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

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

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

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

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