Bases, Alkalis and the reactivity series

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1. what is a displacement reaction?

  • A more reactive metal displacing a less reactive metal from its salts in solution
  • When a large quantity of a material in placed in a container of water/ liquid causing the liquid to be displaced
  • When electrons become free of the atomic shells
  • When salt dissolves in water causing the salt particles to diffuse through the water and displace water particles
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2. metal carbonate + water ->

  • salt + hydrogen
  • salt + water + carbon dioxide
  • metal hydroxide + hydrogen
  • salt + water

3. base + acid ->

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

4. What is the least reactive metal to react with water?

  • Zinc
  • Copper
  • Iron
  • Gold

5. metal + acid ->

  • metal hydroxide + hydrogen
  • salt + hydrogen
  • salt + water
  • salt + water + carbon dioxide
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