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Which of the following is used as reduci...

Which of the following is used as reducing agent in Gold schmidt method ?

A

`Al`

B

`K`

C

`C`

D

`Mg`

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AAKASH INSTITUTE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Objective type Questions (One option is correct)
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  2. Which of the following oxides cannot be reduced by auto or self reduct...

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  3. Which of the following is used as reducing agent in Gold schmidt metho...

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  4. Which of the following is used to reduce TiCl(4) to Ti ?

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  5. At 1250 K 2FeO(s)to2Fe(s)+O(2)(g), DeltaG=+320kJmol^(-1) of O(2) 2...

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  6. Ellingham diagrams are plots of DeltaG(1)^(@) Vs T for the formation o...

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  7. Which of the following statement is correct w.r.t. the following graph...

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  8. In Ellingham diagrams of DeltaG oxide formation Vs T, which of the fol...

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  9. On Ellingham diagrams if two graphs intersect each other, what does th...

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  10. Which of the following is incorrect w.r.t. metallurgy of iron in the b...

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  11. Which of the following has the lowest percentage of carbon in it?

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  12. Which furnace is used for the extrction of iron from haematite ?

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  13. Roasting of sulphide ore is generally performed in

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  14. The final stage of self reduction for the extraction of Cu is carried ...

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  15. Zinc is extracted from zinc oxide by its reaction with coke in

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  16. Which of the following metal is leached by Cyanide process

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  17. Poiling process is used for:

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  18. Impure zince, as collected from earthen clay retort, is called

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  19. During smelting, an additional substance is added which combines with ...

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  20. Sulphide ores of metals are usually concentrated by both floatation pr...

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