2.1.2
Neutralisation
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Neutralisation of Acids
Acids are neutralised by bases (a base is an alkali that dissolves in water). Metal carbonates, metal oxides and metal hydroxides are all examples of bases.

Metal carbonates
- Acid + carbonate → salt + water + carbon dioxide.
- E.g. hydrochloric acid + calcium carbonate → calcium chloride + water + carbon dioxide

Metal oxides
- Acid + oxide → salt + water.
- E.g. hydrochloric acid + magnesium oxide → magnesium chloride + water.

Metal hydroxides
- Acid + hydroxide → salt + water.
- E.g. hydrochloric acid + sodium hydroxide → sodium chloride + water.
1Biology
2Chemistry
2.1Practicals
2.1.1Salts2.1.2Neutralisation2.1.3Titration2.1.4Electrolysis2.1.5Electrolysis 22.1.6Rate of Reaction2.1.7Rate of Reaction 22.1.8Chromatography2.1.9Identifying Gases2.1.10Identifying Gases 22.1.11Identifying Ions2.1.12Carbonates, Halides & Sulfates2.1.13Flame Emission Spectroscopy2.1.14Water Purification2.1.15Water Purification 2
3Physics
3.1Practicals
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1Biology
2Chemistry
2.1Practicals
2.1.1Salts2.1.2Neutralisation2.1.3Titration2.1.4Electrolysis2.1.5Electrolysis 22.1.6Rate of Reaction2.1.7Rate of Reaction 22.1.8Chromatography2.1.9Identifying Gases2.1.10Identifying Gases 22.1.11Identifying Ions2.1.12Carbonates, Halides & Sulfates2.1.13Flame Emission Spectroscopy2.1.14Water Purification2.1.15Water Purification 2
3Physics
3.1Practicals
Practice questions on Neutralisation
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