Extraction of Metals - Result Question 18

####18. Which one of the following ores is best concentrated by froth floatation method?

(2016 Main)

(a) Siderite

(b) Galena

(c) Malachite

(d) Magnetite

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Solution:

  1. Sulphide ores are concentrated by froth floatation method e.g. Galena (PbS)


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