Chemistry, asked by harayuli598, 1 year ago

What is the role of nacn in the extraction of gold from gold ore?

Answers

Answered by Anonymous

gold is in native state so we can only clean eat and gold is found

Answered by ItzDazzingBoy

Answer:

Role of NaCN in the extraction of gold is to do the leaching of gold ore in the presence of air from which the gold is obtained later by replacement. (ii) SiO2 is added to copper matte to convert the leftout FeS, FeO into slag.

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