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Which of the Following Substances Is Amphoteric

Question 9

Multiple Choice

Which of the following substances is amphoteric?


A) H2O( Which of the following substances is amphoteric? A) H<sub>2</sub>O( ) B) CO<sub>3</sub><sup>2</sup><sup>-</sup> ion C) NH<sub>4</sub><sup>+</sup> ion D) H<sub>3</sub>PO<sub>4</sub> E) NaOH(aq) )
B) CO32- ion
C) NH4+ ion
D) H3PO4
E) NaOH(aq)

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