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In which of the following reaction "Phil...

In which of the following reaction "Philocopher's wool" is formed

A

`Zn +S overset(Delta)rarr ZnS`

B

`Zn +CI_(2) overset(Delta)rarr ZnCI_(2)`

C

`FeS +O_(2) overset(Delta)rarr FeO +SO_(2)`

D

`Zn + H_(2)O (stream) overset(Delta)rarr ZnO +H_(2)`

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The correct Answer is:
D
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ALLEN-METALLURGY-EXERCISE-01
  1. "Hydro metallurgy" method is used for the extraction of the following ...

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  2. Process of heating ore is air to remove sulphur is:

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  3. In which of the following reaction "Philocopher's wool" is formed

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  4. Which of the following metals are extracted by using Al as reducing ag...

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  5. The correct ste of carbonate ores is (a) Magnesite (b) Siderite (c) ...

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  6. Calcination is the process of heating the ore

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  7. Copper matte consists of:-

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  8. Which of the following statements is correct for roasting

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  9. Among the following statements, the incorrect one is

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  10. Fe can displace which of the following ions from their aqueous solutio...

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  11. There are following extraction process of silver but not:

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  12. Which of the following is not an ore:

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  13. In the Pidgeon process, Mg is produced by:

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  14. "Foo's gold" is

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  15. Which one of the following reactions is an example for calcination pro...

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  16. Identify the process to which the following reaction belongs AI(2) O...

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  17. (Ag +Pb) alloy overset("Melt and add zinc")rarr (Ag +Pb +Zn) "melt" ov...

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  18. Formation of metallic copper from sulphide ore in te normal thermometa...

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  19. Bessemerisation is carried out for (i) Fe (ii) Cu (iii) AI (iv) sil...

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  20. Consider the following statements: Roasting is carried out to: (i)...

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