1
IIT-JEE 1992
MCQ (More than One Correct Answer)
+1
-0.25
The species that do not contain peroxide ions are
2
IIT-JEE 1990
MCQ (More than One Correct Answer)
+1
-0.25
When zeolite, which is hydrated sodium aluminium silicate is treated with hard water the sodium ions are exchanged with
Questions Asked from s-Block Elements (MCQ (Multiple Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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