In Search of Solutions: Oranges and lemons

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In Search of Solutions: Investigate the acid content of oranges and lemons. Linking to topics on acids/alkalis, indicators and neutralisation.

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Oranges and lemons
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Level

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Specification

England
- GCSE
Scotland
- National 5
  - SQA Chemistry
    - Chemical changes and structure
      - Acids and bases
        pH
        The pH scale is an indication of the hydrogen ion concentration and runs from below 0 to above 14.
        Acidic solutions have a higher concentration of H⁺(aq) ions than OH⁻(aq) and have a pH below 7.
Wales
- A/AS level
  - WJEC Chemistry
    - Unit 1: THE LANGUAGE OF CHEMISTRY, STRUCTURE OF MATTER AND SIMPLE REACTIONS
      - 1.7 Simple equilibria and acid-base reactions
        (f) acid-base titrations
- GCSE
  - WJEC Chemistry
    - Unit 2: CHEMICAL BONDING, APPLICATION OF CHEMICAL REACTIONS and ORGANIC CHEMISTRY
      - 2.2 ACIDS, BASES AND SALTS
        (j) titration as a method to prepare solutions of soluble salts and to determine relative and actual concentrations of solutions of acids/alkalis
  - WJEC Combined science
    - Unit 5: Chemistry 2
      - 5.2 ACIDS, BASES AND SALTS
        (j) titration as a method to prepare solutions of soluble salts and to determine relative and actual concentrations of solutions of acids/alkalis
Republic of Ireland
- Leaving Certificate
  - Chemistry
    - 9. Environmental chemistry: water
      - 9.1 pH Scale
        Depth of treatment
        pH scale. Use of universal indicator paper or solution. Limitations of the pH scale - usefulness confined to dilute aqueous solutions.
        Choice of indicator.
    - 4. Volumetric analysis
      - 4.2 Acids and Bases
        Depth of treatment
        Acids, bases and salts. Neutralisation - formation of a salt from an acid and a base.

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In Search of Solutions: Oranges and lemons

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Oranges and lemons

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