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Question
Which of the following reactions illustrates an amphoteric compound?
A) 2 HF 
H2F+ + F-
B) NaOH + HBr NaBr + H2O
C) 2 H2 + O2 2 H2O
D) All are amphoteric.
E) none of the above
Answer
This answer is hidden. It contains 1 characters.
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