AQA Chemistry

limestone, decomposing carbonates etc

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  • Created by: Yasmin
  • Created on: 22-11-11 20:04

Limestone and it uses

  • Limestone is usually made of calcuim carbonate
  • Limestone is widely used in building 
  • Limestone breaks down when we heat it strongly to make quicklime and carbon dioxide 


  • Some types were made from the remains of tiny animals and plants that lived in the sea millions of years ago
  • Limestone is dug out of the ground in quarries 

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Decomposing carbonates

  • some carbonates decompose when we heat them in a Bunsen flame. 
  • there is the same number of each type of atom on each side of a balanced chemical equation. 
  • the mass of reactants is the same as the mass of the products in a chemical reaction. 
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