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Bessemerization is carried out for (I)...

Bessemerization is carried out for
(I) Fe
(II) Cu
(III) Al
(IV) silver

A

I, II

B

II, III

C

III, IV

D

I, III

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The correct Answer is:
A
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Bessemerisationis carried out for: (P) Fe, (Q) Cu, (R )Al, (S) Ag

Give the characteristic coordination number of each of the following central metal ions . (a) Cu(I) Cu(II) (c ) CO(III) lt brgt (d) AI(III) lt brgt (e) Zn(II) (f) Fe(II) (g) Fe(III) (h) Ag(I) .

Consider the following statements . Roasting is carried out to : (i) convert sulphide to oxide and sulphate. (ii) to remove impurities of CuS and FeS present in the ore of tin stone (SnO_(2)) as CuSO_(4) and FeSO_(4) . (iii) melt the ore. (iv) remove arsenic and sulphur impurities. of these statements.

MOTION-METALLURGY-EXERCISE 2 (LEVEL - I)
  1. Which of the following does not contain Mg?

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  2. Match the method of concentration of the ore in column I with the ore ...

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  3. Bessemerization is carried out for (I) Fe (II) Cu (III) Al (I...

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  4. Refining of silver is done by :

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  5. Which of the following is not used for obtaining Ag

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  6. Blister Cu is about

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  7. Which one of the following is not a method of concentrain of ore?

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  8. In which of the following isolation no reducing agent is required

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  9. Chemical leaching is useful in the concentration of:

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  10. The element which could be extracted by electrolytic reduction of its ...

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  11. When roasting is carried out: (P) sulphde ore sare converted into ox...

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  12. The form of iron obtained from blast furnace is:

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  13. Which of the following is not an ore:

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  14. Which one of the following statements is not correct

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  15. In the extraction of nickel of Mond's process, the metal is obtained b...

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  16. B4C (boron carbide) is used except:

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  17. Froth floatation process is based on

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  18. When ZnS and PbS minearls are present together, then NaCN is added to ...

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  19. When copper is purified by electrorefining process, noble metals like ...

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  20. Formation of volatile Ni(CO)(4) and then its subsquent decomposition i...

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