Acids and Alkalis

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  • Created by: Fifi
  • Created on: 12-03-13 21:26
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  • Acids and Alkalis!
  • The strongest acids have a pH of 0
    • The strongest alkali has a pH of 14
  • pH Scale:
    • Acids and Alkalis!
  • it measures how acidic or how alkaline a solution is.
    • pH Scale:
    • A neutral substance has a pH of 7 for example pure water!
      • The pH scale measures from 0-14
        • You use a indicator to estimate the pH of a solution
          • An acid is something with a pH lower than 7
            • The strongest acids have a pH of 0
              • The strongest alkali has a pH of 14
            • A base for an acid would have to have a pH over 7
          • A base and a acid neutralise one another
            • A base for an acid would have to have a pH over 7
          • An alkali is a base that can dissolve in water
            • The reaction between acids and bases are called neutralisation
          • Acid + base ---->  salt + water
            • A base and a acid neutralise one another
            • In a equation there are (s), (l),(g) and (aq)
            • These mean (s) - solid. (l) - liquid. (g) - gas. (aq) - aqueous (dissolved in water).
              • In a equation there are (s), (l),(g) and (aq)

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