Combined Chemistry
GCE 'O' LevelsCombined ChemistryNotes/Practices2025
Uploaded by skiller · 29 October 2025
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Basic Chemical Reactions 1. Neutralisation Acid + Base/Alkali -> salt + water 2. Acid + Metal salt + hydrogen gas 3. Acid + Carbonate salt + water + carbon dioxide gas 4. Alkali + Ammonium salt salt + ammonia gas + water 5. Metal + Water metal hydroxide + hydrogen gas 6. Metal + Steam metal oxide + hydrogen gas
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