Which of the following ore is concentrated using group 1 cyanide salt ?
← JEE Main 2021 · 24 Feb · Shift 1
ChemistrySingle correct+4 / -1Question 34 of 90
JEE Main 2021 · 24 Feb · Shift 1, Chemistry question 34
Answer and worked solution
Official answer: D
Froth flotation. NaCN is the depressant used to separate sphalerite (ZnS) from galena; it is the ore concentrated with the help of a group 1 cyanide.
(D)
Topics:Concentration of ores