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Which of the following is commonly used ...

Which of the following is commonly used to produce foam in froth floatation process ?

A

Pine oil

B

Cresol

C

`NaCN`

D

Xanthate

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AAKASH INSTITUTE ENGLISH-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Objective type Questions (One option is correct)
  1. In the metallurgy of iron, the slag is

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  2. What type of ores can be concentrated by magnetic separation method ...

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  3. Which of the following is commonly used to produce foam in froth float...

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  4. Which of the following is used as collector in froth floatation proces...

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  5. Galena contains ZnS with PbS (Main ore). Which of the followin is used...

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  6. Serpeck's method involves the heating of bauxite with

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  7. Sulphide ore is converted to oxide form by using the process

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  8. Which of the following oxides cannot be reduced by auto or self reduct...

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

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

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

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

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

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  14. In Ellingham diagrams of Delta(1)G oxide formation Vs T, which of the ...

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

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

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

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  18. Which furnace is used for the extraction of iron from haematite ?

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  19. Roasting of sulphide ore is generally performed in

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

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