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Types of reactions - Coggle Diagram

- - - - Oxidation and reduction always take place together.
        So the reaction is called a redox reaction.
  - - - Because a metal in the combined state has positive valency and a positive ion gets converted into atom or metal on addition of electron(s).
- - - - hydrochloric acid HCl (aq)
      - sulfuric acid H2SO4 (aq)
      - nitric acid HNO3 (aq)
      - ethanoic acid CH3COOH (aq)
  - - - used in the lab as aqueous solutions. The main ones you will meet are:
      - sodium hydroxide NaOH (aq)
      - potassium hydroxide KOH (aq)
      - calcium hydroxide Ca(OH)2 (aq)
      - ammonia NH3 (aq)