C1.2 Limestone and building materials 0.0 / 5 ? ChemistryThe limestone cycleGCSEAQA Created by: AngèleCreated on: 06-05-17 11:16 What is limestone mainly composed of? Calcium carbonate 1 of 8 How can calcium carbonate be decomposed? Thermal decomposition to make calcium oxide and carbon dioxide. 2 of 8 What is the name of the furnace used to heat calcium carbonate? rotary lime kiln 3 of 8 How is cement made? Limestone is heated with clay. 4 of 8 How is mortar made? cement is mixed with sand. 5 of 8 How is concrete made? Made by mixing crushed rocks or stones, cement and sand with water. 6 of 8 Benefits of limestone extraction. Provides jobs, lead to improved roads, filled in to make lakes or for planting trees, can be used as landfills sites when finished. 7 of 8 Drawbacks of limestone extraction destroys habitats, increased emissions, noisy & dusty, dangerous area for children, busier roads, ugly 8 of 8
Advantages and Disadvantages of using limestone & building materials made from limstone 4.5 / 5 based on 2 ratings
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