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Van Arkel method of purification of meta...

Van Arkel method of purification of metals involves converting the metal to a :

A

volatile stable compound

B

volatile unstable compound

C

non - volatile stable compound

D

None of these

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The correct Answer is:
B
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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -Multiple Choice Questions - Level - II
  1. An ore after levigation is found to contain basic impurities . Then fl...

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  2. Which of the following processes involves smelting process ?

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  3. Van Arkel method of purification of metals involves converting the met...

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  4. Roasting is generally done in case of :

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  5. The following equation depicts a method of purification of nickel by :...

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  6. The smelting of iron in a blast furnace involves all the steps except ...

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  7. Heating of pyrites in air to remove sulphur is called :

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  8. Which of the following is purified by zone refining ?

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  9. In metallurgy , flux is a substance used to convert :

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  10. Which of the following metals is obtained by self reduction process ?

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  11. Thomas slag is :

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  12. In aluminothermic process aluminium acts as :

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  13. Smelting is the process of reduction of metal oxide by :

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  14. Which of the following ores cannot be concentrated by froth floatation...

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  15. Electrolytic reduction method is used for :

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  16. Which of the following contains both Ca and Mg ?

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  17. Which of the following metals does not occur as oxide ?

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  18. Calcinations is carried out in a :

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  19. A metal obtained by hydrometallurgy is :

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  20. Serpeck's process is used for the extraction of :

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