1
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
2
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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