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What is pyrometallurgy ?...

What is pyrometallurgy ?

A

Calcination of the ore

B

Hydrolysis of the ore

C

Electrolytic reduction of metal oxide to the metal

D

Termal reduction of metal oxide to the metal

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A
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AAKASH SERIES-PRINCIPLES OF METALLURGY-Objective exercise -2 (Occurance and general principles)
  1. X' is substance which combines chemically with impurities associated w...

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  2. In Goldsmith thermite process reductant in

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  3. Match the following {:("List-I","List-II"),((1)"Liquation",(a)"Volat...

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  4. In which of the following products are in the molte state

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  5. The removal of impurities from an ore by forming molten mass is called

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  6. Cryolite is chemically

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  7. In the froth flotation process for the purification of minerals the pa...

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  8. Match the following : {:("List-I","List-II"),((1)"vanArkel method",(...

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  9. Match the following {:("List-I (Type of mineral)","List-II"),((1)"Ox...

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  10. {:(" List-I "," List-II "),("1) Argentite ","a) KCl"),("2) Horn si...

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  11. Match items of Column-I with the items of Column II and assign the cor...

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  12. Match the following List-I (Concentration method) 1) Hydraulic wa...

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  13. In froth flotation process which of the following is used as froth st...

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  14. All of the following metals are silvery white except

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  15. Consider the following statements regarding roasting.It is carried ou...

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  16. Neutral refractory material used in furnaces is

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  17. Zirconium and titanim are purified by

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  18. At which one of the following condition, a reducing agent is suitable ...

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  19. What is pyrometallurgy ?

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  20. Match the following {:("List-I ","List-II "),("A) Zone refining ",...

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