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Metallurgy — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryMetallurgy2 Marks
Question
Which type of ores can be concentrated by the froth floatation method? Give two examples for such ores.
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Answer

Sulphide ores can be concentrated by the froth floatation method.e.g.,
1. Copper pyrites $\left( CuFeS _2 H _2\right)$
2. Zinc blende (ZnS)
3. Galena (PbS)

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