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Which one is malachite from the followin...

Which one is malachite from the following

A

`CuCO_3 . Cu(OH)_2`

B

`CuFeS_2`

C

`Cu(OH)_2`

D

`Fe_3 O_4`

Text Solution

Verified by Experts

The correct Answer is:
A
`CuCO_3 . Cu(OH)_2`
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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-COMPETION FILE (Objective Questions) (Multiple Choice Question from competitive examinations)
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  2. Considering Ellingham diagram, which of the following metals can be us...

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  3. Which one is malachite from the following

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  4. Identify the reaction that does not take place in a blast furnace

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  5. In the alumino-thermite process, Al acts as :

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  6. In view of the signs of Delta(r)G^(@) for the following reactions : ...

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  7. Which method of purification is represented by the following equation?...

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  8. The function of potassium ethyl xanthate in froth floatation process i...

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  9. The first step in the extraction of copper from copper pyrites

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  10. The statement that is not correct is

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  11. Roasted copper pyrite on smelting with sand produces

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  12. In the correct of the Hall-Heroult process for the extraction of Al, w...

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  13. Which one of the following ores is the best concentrated by froth floa...

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  14. What is the composition of 'Copper matte'?

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  15. The complex formed when Al(2)O(3) is leached from bauxite using concen...

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  16. The metal extracted by leaching with cyanide is

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  17. Purification of aluminium is called

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  18. Electrolytic refining's is ued to purify which of the following metals...

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  19. the common impurities present in bauxite are

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  20. Carnallite is an ore of

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