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Which of the following is dolomite...

Which of the following is dolomite

A

`CaCO_(3).MgCO_(3)`

B

`Cu_(2)S Fe_(2)S_(3)`

C

`CdS`

D

`ZnS`

Text Solution

Verified by Experts

The correct Answer is:
A
Dolomite is `CO_(3)^(-2)` of `Ca` and `Mg`
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ALLEN-METALLURGY-EXERCISE-02
  1. During the extraction of Ag and Au using a KCN solution, cyanide ions ...

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  2. Which of the following is dolomite

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  3. Which of the following ores is a double salt composition

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  4. The following metal-ore combination is correct

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  5. NaCN used in the froth floatation method for the purification of ore i...

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  6. Which of the following metal can not be extracted by smelting process

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  7. The reduction of Cr(2)O(3), by heating it with aluminium is known as

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  8. Which metal is leached from its ore by the use of KCN

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  9. Name the flux to remove the impurity of SiO(2)

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  10. Mercury containers are made of

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  11. Autoreduction process is used in the extraction of

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  12. When Alumina is electrolysed in presence of cryolite, the gas liberate...

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  13. In the extraction of copper, metal is formed in the Bessemer converter...

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  14. x,y and z in the following processes are respectively (i) P(2)O(5) +...

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  15. Which of the following process involves smelting

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  16. Out of the following which ores are calcinated during extraction (a)...

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  17. Which of the following match are incorrect

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  18. Valachite on calcination gives rarr 'A' + CO(2) +H(2)O. Compound 'A' o...

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  19. Which of the following ores are calcinared during extraction

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  20. Which method of purification is represented by the following equations...

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