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In sulphatizing roasting of Zns, product...

In sulphatizing roasting of Zns, products are

A

`Zn O+ SO_2`

B

`ZnO + ZnSO_4 +SO_2`

C

`ZnCl_2`

D

`Zn +SO_2`

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The correct Answer is:
B
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AAKASH SERIES-PRINCIPLES OF METALLURGY-PRACTICE EXERCISE
  1. Siderite mineral is

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  2. Chemical composition of malachite is 'X'. Then the composition of azur...

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  3. In sulphatizing roasting of Zns, products are

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  4. In order to refine blister copper it is melted in a furnance and is st...

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  5. Which of the following process is used for concentration of ores and f...

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

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  7. Impurities in the zinc spelter are

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  8. Role of limestone used in re extraction

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  9. The purest form of commercial iron is

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  10. Percent purity of iron in cast iron is

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  11. Native silver metal forms a water soluble complex with a dilute aqueou...

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  12. Which of the following metals can be used for precipitation of silver ...

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  13. In the Down's process at low temperature sodium extracted is more beca...

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  14. Aqueous sodium cyanide is used as a reagent in the metal extraction. T...

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  15. Metal is precipitated from Au(CN)(4)^(3-) using zinc as a precipitant....

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  16. The best electrolyte for the extraction of magnesium metal is

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  17. Which one of the following is the mineral for tin?

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  18. Some statements about the below Ellingham diagram are given below ...

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  19. Carbon cannot be used in the reduction of Al2 O3 because

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  20. Spinels are denoted with the formula MAl2 O4, where 'M' is

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