A4 Solutions

Describe solutions which have a pH value less than 7 as acidic, those with a pH value of more than 7 as alkaline and those with a pH of 7 as neutral.

Any solution with a pH value that is less than 7 is classed as acidic, the further away from 7 it is, the more acidic it is, i.e. pH 2 is more acidic than pH 5.

Any solution with a pH that is greater than 7 is called an alkali, and as with acids, the further away from the number 7 it is the more alkaline it is i.e. pH 14 is much more alkaline than pH 9

A solution with a pH of 7 is neutral, there aren’t many neutral substances, but pure water is a good example, it is neither acidic nor alkaline.