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Summary Sheet Year 8 Acids and Alkalis - Turton School

Summary Sheet Year 8 Acids and Alkalis: The pH Scale The pH of a solution depends on the strength of the acid: strong acids have lower pH values (pH 1-3) than weak acids. Neutral solutions have a pH of 7. For example, pure water. We can use indicators to test the pH of a substance. An indicator is a substance that