Science Core 0.0 / 5 ? ScienceCalcium carbonateGCSEEdexcel Created by: rebeccacthompsonCreated on: 19-04-15 13:57 Thermal decomposition of calcium carbonate Calcium carbonate = calcium oxide+ carbon dioxide 1 of 9 How to make cement Heat limestone with powered clay 2 of 9 How to make concrete Mix cement with sand, gravel and water 3 of 9 How to make glass Heat limestone with sand and sodium carbonate 4 of 9 What is a precipitate reaction? When soluble substances react to form an insoluble product 5 of 9 How to make limewater Add calcium oxide to water to form calcium hydroxide. Calcium hydroxide then dissolves in more water which leaves the limewater solution 6 of 9 What do farmers spray on their fields to reduce acidity of fields? Powered calcium carbonate, calcium oxide, calcium hydroxide 7 of 9 What causes acid rain? Sulfur dioxide 8 of 9 Reaction of coal burning Sulfur + Oxygen = Sulfur dioxide 9 of 9
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