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Standard XII
Chemistry
Calcination
Complete the ...
Question
Complete the following statement with an appropriate word/term to be filled in the blank space.
Froth floatation process is used for the concentration of _________ ores.
A
Sulphide
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B
Oxide
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C
Carbonate
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D
All the above
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Solution
The correct option is
A
Sulphide
Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.
In this, sulphide ores of copper, zinc and lead are concentrated by preferential wetting of ore by pine oil.
Option A is correct.
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