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Which of the following is false?...

Which of the following is false?

A

A. Floatation process is used for removing gangue from sulphide ore

B

B. Aniline or cresol is used as stabilizer in floataion process

C

C. In floatation process, the role of collector is to increase interfacial tension between oil and sulphide ore

D

D. Argentite is a sulphide ore, however floatation process is not a best separation method

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BRILLIANT PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -LEVEL - II
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  3. Which of the following is false?

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  4. In the leaching of impure bauxite, precipitation of aluminium hydroxid...

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  5. Which of the following statements are wrong? i) Calcination is mainl...

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  6. Roasting and calcination are usually carried out in,

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  7. Which of the following statements is wrong?

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  8. Select the correct statement:

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  9. Which of the following statements about Ellingham diagram are true? ...

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  10. The materials which are added along with the calcinated iron ore into ...

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  11. Which of the following statements is false?

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  12. From copper pyrite, copper is extracted in two stages. In the reverber...

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  13. During the extraction copper by bessemersiation, bessemer converter is...

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  14. In the extraction of zinc, during roasting the temperature is kept abo...

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  15. In thermite reduction Al is chosen as reducing agent because,

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  16. In thermite reduction, ignition mixture consists of

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  17. In hydrometallurgy, sometimes a flux is added,

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  18. In the proces of extraction of gold, Roasted ore + CN^(-) + H(2)O ov...

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  19. In the extraction of Al by Hall-Heroult's process, electrolyte contain...

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  20. Which is not true about electrolysis of "brine solution"?

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