Science 101: Understanding pH
What is pH? First of all, it is important to understand what pH means. The letters pH stand for potential hydrogen. It is a value used to express the acidity or alkalinity of a chemical solution. The pH scale ranges from 0 to 14. The smaller the number, the higher the acidity; the higher the number, the more alkaline, or basic, the substance is. Anything below 7 is acidic, and anything above 7 is basic. Alkalis are a subclass of b...
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