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  • Which of the following ore is concentrated using group 1 cyanide salt? Option: 1 siderite  Option: 2 Calamine Option: 3 Sphalerite Option: 4 Malachite<

Which of the following ore is concentrated using group 1 cyanide salt?
Option: 1 siderite 
Option: 2 Calamine
Option: 3 Sphalerite
Option: 4 Malachite

Answers (1)

best_answer

Sphalerite (ZnS or Zinc blende) ore is concentrated using group 1 cyanide salt (NaCN) as a depressant by Froth floatation method.

\mathrm{ZnS + PbS + NaCN\longrightarrow Na_2[Zn(CN_4)]+PbS}

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sudhir kumar

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