1
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

In the ionic equation,

$$\mathrm{BiO_3^-+6H^++xe^-\rightarrow Bi^{3+}+3H_2O}$$,

the value of x is

A
3
B
4
C
2
D
6
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Carbon forms two oxides which have different compositions. The equivalent mass of which remains constant?

A
Carbon
B
Oxygen
C
Neither carbon nor oxygen
D
Both carbon and oxygen
COMEDK Subjects
EXAM MAP