In the froth floatation process for the purification of ores, the particles float because ……………
A. they are light
B. their surface is not easily wetted by water
C. they bear electrostatic charge
D. they are insoluble
Answer:B
In the froth floatation process for the purification of ores, the particles float because ……………
A. they are light B. their surface is not easily wetted by water C. they bear electrostatic charge D. they are insoluble