Question
Chemistry Question on General Principles and Processes of Isolation of Elements
For which of the following ores froth floatation method is used for concentration?
A
Haematite
B
Zinc blende
C
Magnetite
D
Carnallite
Answer
Zinc blende
Explanation
Solution
Froth floatation method is used for removing gangue from sulphide ores. In this process, a suspension of the powdered ore is made with water Among the given options Zinc blend (ZnS) is the only sulphide ore and hence Froth floatation process is used for its concentration.