The pH scale is used to see how acidic or alkaline a particular substance is. It ranges from 1-14, 1 being very acidic (e.g. Hydrochloric acid) , 7 being neutral (e.g. purified water) and 14 being very alkali (e.g. Bleach). The pH of a substance can be found out by using indicators such as Universal Indicator or by using a pH meter * Image:Fish1.gif This article is a , and is very fishy. You can help My English Wiki by expanding it, removing the non-GCSE content or improving it.
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