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2. Acid + metal carbonate makes

  • salt + water + carbon dioxide
  • water + salt
  • salt + hydrogen
  • Salt + hydrogen + water

3. Oxidation

  • loss of electrons
  • gain of electrons

4. Reduction

  • gain of electrons
  • loss of electrons

5. metal + water makes

  • salt + hydrogen
  • salt + hyrogen + water
  • metal hydroxide + hydrogen
  • salt + water

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