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In Ellingham diagrams of DeltaG oxide fo...

In Ellingham diagrams of `DeltaG` oxide formation Vs `T`, which of the following graphs has negative slope ?

A

`CtoCO`

B

`FetoFe_(2)O_(3)`

C

`Mg``to``MgO`

D

All of these

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AAKASH INSTITUTE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Objective type Questions (One option is correct)
  1. Ellingham diagrams are plots of DeltaG(1)^(@) Vs T for the formation o...

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

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

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

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

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

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

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  8. Roasting of sulphide ore is generally performed in

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

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

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

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  12. Poiling process is used for:

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

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

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

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  16. Heating pyrities in air to remove sulphur is called

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  17. Extraction of zince from zinc blende is achieved by

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  18. Extraction of copper from copper pyrites is achieved by

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  19. Which of the following metals is purified by distillation process ?

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  20. The method of zone refining is based on the priniciple of

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