During the concentration of sulphide ores via the froth flotation process, various specialized reage — Metallurgy and Isolation of Elements Chemistry Question
Question
During the concentration of sulphide ores via the froth flotation process, various specialized reagents are added. Which of the following correctly describes the role of these specific reagents?
Answer: A,B,D
💡 Solution & Explanation
Aniline and cresols are froth stabilizers, not depressants. Pine oil forms the froth, xanthates act as collectors to make ore water-repellent, and $NaCN$ depresses $ZnS$ by forming $Na_2[Zn(CN)_4]$.
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