A
H
2
PO
4
−
B
H
PO
4
2−
C
H
4
PO
4
+
D
H
3
PO
4
Correct option is A)
A
H
2
PO
4
−
B
H
PO
4
2−
C
H
4
PO
4
+
D
H
3
PO
4
Correct option is A)
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