In the Serpek process for the purification of bauxite,what is used to remove silicon dioxide?
- A$CaO$
- B$Na_2CO_3$
- CCoke
- DNickel
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Similar Questions
The ore which is concentrated by leaching is:
An ore like zinc blende is concentrated by
Easy
View SolutionSelect the correct option regarding the method of separating two sulfide ores by the froth flotation process.
$(1)$ The ratio of water and oil is chosen appropriately.
$(2)$ Some depressants are used for this process.
$(3)$ $HCN$ is a depressant for a mixture of $ZnS$ and $PbS$.
$(4)$ By using a suitable depressant for a mixture of $ZnS$ and $PbS$,only $PbS$ comes up with the froth.
$(1)$ The ratio of water and oil is chosen appropriately.
$(2)$ Some depressants are used for this process.
$(3)$ $HCN$ is a depressant for a mixture of $ZnS$ and $PbS$.
$(4)$ By using a suitable depressant for a mixture of $ZnS$ and $PbS$,only $PbS$ comes up with the froth.
Easy
View SolutionMatch the method of concentration of ore in Column $I$ with the ore in Column $II$.
$I$ (Method) $II$ (Ore) $(I)$ Magnetic separation $a. Cu_2S$ $(II)$ Froth flotation $b. FeCr_2O_4$ $(III)$ Gravity separation $c. Al_2(SiO_3)_3$
| $I$ (Method) | $II$ (Ore) |
| $(I)$ Magnetic separation | $a. Cu_2S$ |
| $(II)$ Froth flotation | $b. FeCr_2O_4$ |
| $(III)$ Gravity separation | $c. Al_2(SiO_3)_3$ |
Medium
View SolutionThe froth flotation process used for the concentration of sulphide ore:
Medium
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