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Which of the following is an example of amphoteric molecule?(a) Acetic acid(b) Malic acid(c) Sugars(d) WaterThe question was asked during an internship interview.Question is taken from Chemical Basis of Life topic in chapter Chemical Basis of Life of Cell Biology

Answer»

Right choice is (d) Water

The explanation: Water is an example of both an ACID and a base, and is THEREFORE an AMPHOTERIC MOLECULE. It can accept a proton thereby acting as a base and can also donate a proton acting as an acid.



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