The concentration of chromite ore $(FeO \cdot Cr_2O_3)$ is done by which of the following methods?
- ALeaching
- BMagnetic separation
- CFroth flotation
- DCalcination
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Which of the following magnetic impurity is present in Cassiterite ore?
The correct statements regarding the froth floatation method in metallurgy are:
$I$. Used for the purification of sulphide ores
$II$. Used for the roasting of sulphide ores
$III$. It is based on the relative densities of gangue and ore particles
$IV$. It is based on the difference in the wetting properties of gangue and ore particles in frothing agent and water
$I$. Used for the purification of sulphide ores
$II$. Used for the roasting of sulphide ores
$III$. It is based on the relative densities of gangue and ore particles
$IV$. It is based on the difference in the wetting properties of gangue and ore particles in frothing agent and water
Leaching is commercially carried out for the concentration of which of the following ores?
Medium
View SolutionHow do we separate two sulphide ores by the Froth Flotation Method? Explain with an example.
Medium
View SolutionWhich method is used for the concentration of iron pyrites ore?
Easy
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