1
JEE Advanced 2020 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Change Language
Which of the following liberates O2 upon hydrolysis?
A
Pb3O4
B
KO2
C
Na2O2
D
Li2O2
2
JEE Advanced 2014 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1
Hydrogen peroxide in its reaction with KIO4 and NH2OH respectively, is acting as a
A
reducing agent, oxidising agent
B
reducing agent, reducing agent
C
oxidising agent, oxidising agent
D
oxidising agent, reducing agent
3
IIT-JEE 1985
MCQ (Single Correct Answer)
+1
-0.25
Hydrogen gas will not reduce
A
heated cupric oxide
B
heated ferric oxide
C
heated stannic oxide
D
heated aluminium oxide
4
IIT-JEE 1983
MCQ (Single Correct Answer)
+1
-0.25
Heavy water is
A
H218O
B
water obtained by repeated distillation
C
D2O
D
water at 4oC
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