Which one of the following statement is correct about water?
It can act as acid only
It can act as base only
It can act as an acid as well as a base
It can neither act as acid nor as a base
Water can play the role of acid as well as base. If any acid is added to water then it acts as a base. If any base is added to water, then it acts as an acid.
Therefore, Option(3) is correct