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In the extraction of silver from argenti...

In the extraction of silver from argentite are the one is treated with dilute solution of NaCN in water in the presence of Y, whereby the following reaction takes place.
`Ag_(2)X+4NaCN+2Y to 2Na[Ag(CN)_(2)]+Na_(2)XO_(4)X and Y` in this reaction are repesented by

A

Cl and S

B

S and `O_2`

C

O and `O_2`

D

O and S

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The correct Answer is:
B
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AAKASH SERIES-PRINCIPLES OF METALLURGY-OBJECTIVE EXERCISE-2
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  2. Heating mixture of Cu(2) O and Cu(2) S will give

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  3. In the extraction of silver from argentite are the one is treated with...

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  4. Which of the following is not a characteristic of open - hearth proces...

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  5. Formation of metallic copper from the sulphide ore in the normal therm...

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  6. Which of the following reagent is used to separate the impurity from r...

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  7. A mixture of Al(2)O(3) and Fe(2)O(3) can be separated by using

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  8. Percentages of copper and zinc present in a alloy brass, are respectiv...

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  9. In the blast furnace, the reaction that is taking place at the tempera...

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  10. Metal used in the extraction of Mn and Cr from their oxides is

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  11. Impurity present in red bauxite is

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  12. Metal extracted from molten cryolite is

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  13. Metal commonly present in bronze, brass and German silver is

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  14. Correct Match is

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  15. X' is substance which combines chemically with impurities associated w...

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  16. In Goldsmith thermite process reductant in

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

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  18. Match the following

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  19. Various types of zone in the blast burnace are given in the list -I an...

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