1
IIT-JEE 1985
MCQ (Single Correct Answer)
+1
-0.25
The oxide that gives hydrogen peroxide on treatment with a dilute acid is
A
PbO2
B
Na2O2
C
MnO2
D
TiO2
2
IIT-JEE 1984
MCQ (Single Correct Answer)
+1
-0.25
The hydration energy of Mg++ is larger than that of:
A
Al3+
B
Na+
C
Be++
D
Mg3+
3
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
4
IIT-JEE 1981
MCQ (Single Correct Answer)
+1
-0.25
A solution of sodium metal in liquid ammonia is strongly reducing due to the presence of
A
sodium atoms
B
sodium hydride
C
sodium amide
D
solvated electrons
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