1
JEE Advanced 2013 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

Upon treatment with ammoniacal H2S, the metal ion that precipitates as a sulphide is

A
Fe(III)
B
Al(III)
C
Mg(II)
D
Zn(II)
2
IIT-JEE 2012 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

The colour of light absorbed by an aqueous solution of CuSO4 is

A
orange-red
B
blue-green
C
yellow
D
violet
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