Which of the following ores cannot be concentrated by the froth flotation method?
- ACopper pyrites $(CuFeS_2)$
- BSilver glance $(Ag_2S)$
- CPyrolusite $(MnO_2)$
- DZinc blende $(ZnS)$
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Bauxite,an ore of aluminium,is purified by which process?
During the extraction of sodium aluminate from bauxite,the compounds of ....... are insoluble and precipitate out.
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View SolutionWhich one of the following ores is best concentrated by froth floatation method?
In the froth-floatation process,palm oil functions as:
Easy
View SolutionThe methods $NOT$ involved in the concentration of ore are:
$A$. Liquation
$B$. Leaching
$C$. Electrolysis
$D$. Hydraulic washing
$E$. Froth flotation
Choose the correct answer from the options given below:
$A$. Liquation
$B$. Leaching
$C$. Electrolysis
$D$. Hydraulic washing
$E$. Froth flotation
Choose the correct answer from the options given below:
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