Answer: Option (C) is the correct answer.
Explanation:
A substance whose pH is less than 7 are acidic in nature. Whereas a substance whose pH is more than 7 are basic in nature.
On the other hand, a substance whose pH is equal to 7 are neutral in nature.
For example,pH of pure water is 7, that is, pure water is neither acidic nor basic in nature.
Therefore, we can conclude that pure water has a pH of 7. Pure water is a neutral substance.
