Wolframite ore is separated from tinstone $(SnO_2)$ by which of the following processes?
- ARoasting
- BMagnetic separation
- CSmelting
- DCalcination
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In the Serpek process for the purification of bauxite,what is used to remove silicon dioxide?
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View SolutionFroth floatation process is used for the concentration of
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View SolutionObserve the following statements regarding the purification of bauxite and select the correct answer.
$I$ : During the Hall's process,silicon is removed in the form of vapor.
$II$ : Bauxite containing $Fe_2O_3$ impurities is purified by the Bayer's process.
$III$ : During the Serpek's process,$AlN$ is formed.
$I$ : During the Hall's process,silicon is removed in the form of vapor.
$II$ : Bauxite containing $Fe_2O_3$ impurities is purified by the Bayer's process.
$III$ : During the Serpek's process,$AlN$ is formed.
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