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Acids and alkalis

Part of Chemistry

  • Acids and alkalis

    • The pH scale

      The pH scale shows how acidic a substance is. Learn what pH means and how it is measured in this KS3 chemistry guide from BBC Bitesize.

    • Neutralisation reactions

      Acids and alkalis react together in neutralisation reactions which produce salts and water. The salt name can be found from the name of the acid and alkali.

    • Reactions of metals with acids

      Acids react with some metals to produce salts and hydrogen. The salt name can be found from the name of the acid and metal.

    • Acids and bases

      Acids, bases and alkalis are found in the laboratory and at home. Acids and bases can neutralise each other. A base that can dissolve in water is also called an alkali.

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