Which method is used for the concentration of the tin ore containing $FeCrO_4$?
- AMagnetic separation
- BFroth flotation
- CElectrostatic separation
- DGravity separation
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View SolutionWhich one of the following is true?
Observe the following statements regarding the purification of bauxite:
$I$. During Hall's process,silica is removed as $Si$ (vapour).
$II$. Bauxite ore contaminated with $Fe_2O_3$ is purified in Baeyer's process.
$III$. During Serpeck's process,$AlN$ is formed.
The correct answer is:
$I$. During Hall's process,silica is removed as $Si$ (vapour).
$II$. Bauxite ore contaminated with $Fe_2O_3$ is purified in Baeyer's process.
$III$. During Serpeck's process,$AlN$ is formed.
The correct answer is:
Which method is used for the concentration of the ore containing iron chromate $(FeCrO_4)$?
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