Multiple Choice
In which of the following pairs of acids are both chemical species of the pair polyprotic?
A) H2S and H2CO3
B) H3PO4 and HCN
C) HC2H3O2 and H3C6H5O7
D) HNO3 and H2C4H4O6
Correct Answer:

Verified
Correct Answer:
Verified
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