Easy
Flux is used to remove $........$.
- ASilica
- BMetal oxides
- CAll impurities of ore
- DSilica and undesirable metal oxides
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Similar Questions
When bauxite powder is mixed with coke and reacted with nitrogen at $2075 \ K$, carbon monoxide and $X$ are formed. What is the gas formed when $X$ is reacted with water?
$Aluminium$ oxide is not reduced by chemical reactions since:
Easy
View SolutionMatch 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 :
Aluminium is obtained by:
Medium
View SolutionExplain the thermodynamics of the extraction of iron from its oxide.
Medium
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