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Extraction of silver from its ore involv...

Extraction of silver from its ore involving NaCN , air and an active metal is known as :

A

Pattinson.s method

B

Amalgamation method

C

Mc Arthur - Forrest method

D

Parke.s method

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The correct Answer is:
C
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MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. The most abundant metal in the earth crust is :

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  2. Gold is extracted using :

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  3. Extraction of silver from its ore involving NaCN , air and an active m...

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  4. In the thermite process, the reducing agent is :

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  5. Blanc fixe is :

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  6. Carbon reduction is used for the extraction of :

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  7. Froth floatation process is based on :

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  8. Which contains both Ca and Mg ?

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  9. Heating of ores with flux to remove non fusible mass is called:

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  10. In the electrolysis of alumina, cryolite is added to :

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  11. The process of converting hydrated alumina into anhydrous alumina is c...

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  12. Which of the following statement regarding the metallurgy of magnesium...

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  13. In the metallurgy of zinc , the zinc dust obtained from roasting and r...

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  14. Some of the metals occur in the native state in nature because they :

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  15. Complex formation or cyanide method is used for the extraction of :

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  16. An essential constituent of amalgam is :

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  17. Mercury is transported in metal containers made up of :

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  18. Impurities physically associated with minerals are:

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  19. In concentration process of minerals by froth foloatation method , the...

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  20. The ore that is concentrated by froth floatation process is

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