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JEE Advanced Model Paper 2 with solutions for online practice
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© examsnet.com
Question : 19
Total: 54
The metal hydroxide(s) soluble in excess of sodium hydroxide solution is (are) :
C
r
3
+
F
e
3
+
A
l
3
+
Z
n
3
+
Validate
Solution:
Hydroxide PPT formed by
C
r
3
+
,
A
l
3
+
and
Z
n
+
2
soluble in excess NaOH.
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