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Match the conversions in Column I with t...

Match the conversions in Column I with the type(s) of reaction(s) given in Column II.
`{:("Column I","ColumnII"),(A. "PbS"rarr"PbO",p. "Roasting"),(B. "CaCo"_(3)rarr"CaO",q. "Calcination"),(C. "ZnS"rarr"Zn",r. "Carbon reduction"),(D. "Cu"_(2)"S"rarr"Cu",s. "Self-reduction"):}`

A

a-q: b-r : c-p,r :d-p,s

B

a-p:b-q:c-p,r: d-p,s

C

a-p,s: b-q : c-p : d-s

D

a-p, s: b-p,q : c-p: d-s

Text Solution

Verified by Experts

The correct Answer is:
B
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NARAYNA-METTALURGY-Single Answer Questions
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  2. Black tin is

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  3. Match the conversions in Column I with the type(s) of reaction(s) give...

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  5. Cyanide proces is used for the extraction of

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  6. Aluminium is extracted in the electrolysis of :

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  7. The metal extracted by leaching with cyanide is

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  8. Which one of the following ores is best concentrated by froth flotatio...

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  9. Heating mixture of Cu(2)O and Cu(2)S will give

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  10. During the process of electroytic refining of copper some metals prese...

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  11. Which of the following faction is of no significance for roasting sul...

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  12. Which of the following statement is incorrect ? a)Oxide of aluminium ...

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  13. Match List I with List II and select the correct answer using the code...

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  14. Select the correct statement

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  15. NaCN is sometimes added in the froth flotation process as a depressant...

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  16. Which does not represent correct method?

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  17. Main source of lead is galena (PbS). It is converted to Pb by : S...

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

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  19. The chemical process in the production of steel from haematite ore inv...

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  20. The chemical composition of slag formed during the smelting process in...

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