A solution with a lower concentration of hydronium ions than pure water a can taste sweet. b is a base. c can have a pH of 6.5. d all of the above

It is a base. (Ans. B)

Explanation:

If a solution contains a lower concentration of hydronium ions compare to pure water than the solution has a pH of more than 7. Solutions that have pH less than 7 are acidic and solutions that have pH more than 7 are basic in nature. These solutions are bitter in taste.

Some examples of bases are sodium hydroxide, ammonium hydroxide, some cleansing agents such as soaps, etc.

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