Easy
After froth flotation,copper sulfide is reduced by.........
- AReduction with $C$
- BElectrolysis
- CSelf-reduction
- DCyanide process
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Similar Questions
$A$ flux is used to remove . . . . . . .
Medium
View SolutionThe electrolytic method of reduction is employed for the preparation of metals that
Difficult
View SolutionWhich one of the following oxides is reduced by water gas to obtain the metal during its extraction?
Match column $(I)$ (process) with column $(II)$ (electrolyte)
$(I)$ (process) $(II)$ (electrolyte) $(i)$. Downs cell $(W)$. fused $MgCl_2$ $(ii)$. Dow sea water process $(X)$. fused $(Al_2O_3 + Na_3AlF_6)$ $(iii)$. Hall-Heroult $(Y)$. fused $KHF_2$ $(iv)$. Moissan $(Z)$. fused $(40\% NaCl + 60\% CaCl_2)$
Choose the correct alternate :
| $(I)$ (process) | $(II)$ (electrolyte) |
| $(i)$. Downs cell | $(W)$. fused $MgCl_2$ |
| $(ii)$. Dow sea water process | $(X)$. fused $(Al_2O_3 + Na_3AlF_6)$ |
| $(iii)$. Hall-Heroult | $(Y)$. fused $KHF_2$ |
| $(iv)$. Moissan | $(Z)$. fused $(40\% NaCl + 60\% CaCl_2)$ |
Choose the correct alternate :
The carbon-based reduction method is $NOT$ used for the extraction of:
MediumIIT 2013
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