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The 'Limestone' cycle

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Chemistry C1 2.3
omgstudytime
Mind Map by omgstudytime, updated more than 1 year ago
omgstudytime
Created by omgstudytime over 11 years ago
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The 'Limestone' cycle
  1. When heated strongly calcium carbonate in limestone decomposes to:
    1. Calcium oxide
      1. They react to produce calcium hydroxide
        1. Alkali. (Can be used to neutralise acids)
          1. It's used by farmers to neutralise acidic soils and in industry to neutralise acidic gases.
          2. This is not very soluble in water, but dissolves slightly to make Limewater (Calcium hydroxide solution)
            1. Calcium hydroxide reacts with CARBON DIOXIDE to produce CALCIUM CARBONATE, the main compound of limestone.
        2. carbon dioxide
        3. When water is added to calcium oxide
          1. Water
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