Easy
In the metallurgy of zinc,the zinc dust obtained from roasting and reduction of zinc sulphide contains some $ZnO$. How is this removed?
- AAbsorbance of ultraviolet light and re-emission of white light is employed
- BShock cooling by contact with a shower of molten lead is done
- C$X$-ray method is used
- DSmelting is employed
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Similar Questions
Impure silver ore $+ CN^{-} + H_2O \xrightarrow{O_2} [X]^{-} + OH^{-}$
$[X]^{-} + Zn \longrightarrow [Y]^{2-} + Ag \text{ (pure)}$
The coordination numbers of the metals in $[X]$ and $[Y]$ are respectively
$[X]^{-} + Zn \longrightarrow [Y]^{2-} + Ag \text{ (pure)}$
The coordination numbers of the metals in $[X]$ and $[Y]$ are respectively
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