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Ibn the cyanide extraction process of si...

Ibn the cyanide extraction process of silver form aragetite are ,oxidizing and reduction agents used are action .

A

`O_(2)` and CO respectively

B

`O_(2)` and Zn dust respectively

C

`HNO_(3)` and Zn dust respectively

D

`HNO_(3)` and CO respectively

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The correct Answer is:
B
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