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JEE ADVANCE 2011
paper 2
Question
Passing $\mathrm{H}_2 \mathrm{~S}$ gas into a mixture of $\mathrm{Mn}^{2+}, \mathrm{Ni}^{2+}, \mathrm{Cu}^{2+}$ and $\mathrm{Hg}^{2+}$ ions in an acidified aqueous solution precipitates
Select the correct option:
A
CuS and HgS
B
MnS and CuS
C
MnS and NiS
D
NiS and HgS
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