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Which of the following is not a mineral ...

Which of the following is not a mineral of aluminium ?

A

Bauxite

B

Cryolite

C

China clay

D

Malachite

Text Solution

Verified by Experts

The correct Answer is:
D
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SURA PUBLICATION-MATALLURGY-Additional Questions and Answers
  1. Which metal is used for extraction of Au and Ag and also for glavanisa...

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  2. Which of the following is not a mineral of aluminium ?

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  3. Which of the following is commonly used to produce form in froth float...

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  4. Among the following, one does not belong to calcination. Pick the odd ...

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  5. The iron formed in blast furnace is calle d

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  6. Name the process that is employed to refine aluminium.

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  7. Which of the following will give respective metal by self reduction ?

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  8. Why is the extraction of copper form pyries more difficult then that f...

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  9. Which among the following reaction represents the formation of slag ?

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  10. Which one of the following element is present as an impurity in pig ir...

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  11. Which of the following mineral contains calcium as well as magnesium ?

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  12. In the froth-floatation process the collectors such as pine oil and xa...

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  13. Concentration of copper pyrites is done by -

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  14. Identify the decreasing order of carbon content in different forms of ...

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  15. What is the action of water on (a) sodium (b) magnesium, and (c) alumi...

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  16. The blistered appearance of Cu obtained from the reverberatory furnace...

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  17. Identify the halide ore among the following.

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  18. Identify the metal that occurs in free state.

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  19. 2PbS + 3O(2) rarr 2PbO + 2SO(2) Name the process.

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  20. The process of heating of copper pyrites to remove sulphur is called

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