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In the extraction of copper, metal is fo...

In the extraction of copper, metal is formed in the Bessemer converter due to reaction

A

`Cu_(2)S +2Cu_(2)O rarr 6Cu +SO_(2)`

B

`Cu_(2)S rarr 2Cu +S`

C

`Fe + Cu_(2)O rarr 2Cu +FeO`

D

`2Cu_(2)O rarr 4Cu +O_(2)`

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The correct Answer is:
A
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ALLEN-METALLURGY-EXERCISE-02
  1. Autoreduction process is used in the extraction of

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

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

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

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  5. Which of the following process involves smelting

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

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  7. Which of the following match are incorrect

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

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  9. Which of the following ores are calcinared during extraction

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

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  11. Which are correctly is matched

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  12. Which of the following reaction is a part of Serpeck's process

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  13. (xiv) Following equation represents a method of purification of nickel...

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  14. Which substance is used as basic refractory material in furnace

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  15. Carbon cannot be used in the reduction of A1(2)O(3) because:

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  16. Which of the following reaction is not involved in themite process

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  17. Which of the following reduction processes are correct

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  18. Consider the following steps: Cu(2)S overset("roast in air")rarr A o...

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

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  20. Ag(2)S +NaCN rarr (a) (a) +Zn rarr (d) (b) is a metal. Hence (a) a...

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