chemistry unit 1 0.0 / 5 ? ChemistrylimestoneGCSEAQA Created by: bethstuart98xxCreated on: 07-04-15 19:01 how is glass made? sodium hydroxide and sand is added to limestone 1 of 5 how is cement made? limestone is heated with clay and mixed with water 2 of 5 how is concrete made? stones/crushed rock added to water cement and sand 3 of 5 how is mortar made? calcium hydroxide (slaked lime) mixed with sand and water, reacts with carbon dioxide in the air =calcim carbonate 4 of 5 thermal decomposition= substance broken down using heat= calcium carbonate heated to form calcium oxide + 5 of 5
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