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pH scale

pH scale. pH scale. Indicators can be used to find out whether a solution is acid, alkaline or neutral Universal Indicator can be used to find the pH of a solution Acid – red, pH less than 7 Neutral – green, pH = 7 Alkali – blue, pH greater than 7. pH scale. pH scale. pH scale. pH scale.

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pH scale

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  1. pH scale pH scale • Indicators can be used to find out whether a solution is acid, alkaline or neutral • Universal Indicator can be used to find the pH of a solution • Acid – red, pH less than 7 • Neutral – green, pH = 7 • Alkali – blue, pH greater than 7

  2. pH scale pH scale

  3. pH scale pH scale

  4. pH scale pH scale

  5. Neutralisation Neutralisation • Acids react with alkaline solutions to form a salt and water • Hydrochloric acid produces chlorides • Nitric acid produces nitrates • Sulphuric acid produces sulphates • Ammonia can dissolve in water to produce an alkaline solution. This can be neutralised with acids to produce ammonium salts • Indicators can monitor neutralisation reactions

  6. Neutralisation – Hydrochloric acid Neutralisation

  7. Neutralisation – Sulphuric acid Neutralisation

  8. Neutralisation – Nitric acid Neutralisation

  9. Neutralisation – Fertiliser Neutralisation

  10. Reaction of Metals and Acid Reaction of Metals and Acid

  11. Metal Oxides & Hydroxides Metal Oxides & Hydroxides • Transition metal oxides and hydroxides do not dissolve in water. They are called bases • They react with acids to produce salts that are soluble • The excess metal oxide can be filtered off

  12. Wordsearch Wordsearch

  13. Quiz Quiz

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