Which of the following ore are concentrated by froth floatation ?

Which of the following ores are concentarted by froth floatation?

Which of the following ores can be concentrated by froth floatation method and why? Fe_2O_3, ZnS, Al_2O_3

(a) Which of the following ores can be concentrated by froth floatation method and why? Fe_2O_3,ZnS,andAl_2O_3 (b) What is the role of silica in the metallurgy of Copper?

Which one of the following ores is best concentrated by froth flotation method:

Which of the following statements are true for froth floatation process (for a concentration of sulphide ores)?

Which of the following is used as collector in froth floatation process ?

Which of the following metal's ore is/are concentrated by leaching method?

Which of the following sulphide ore is not concentrated by froth-floatation process ?

Amongest the following , how many ores can be concentrated by froth flotation process : Galena, sphalerit, cassiterite, calamine, chalcocite, haematite, argentite.

The Ores that are concentrated by Froth flotation method