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Page 1: © GCSE 026 08-April-13. Limestone quarry

© www.chemsheets.co.uk GCSE 026 08-April-13

Page 2: © GCSE 026 08-April-13. Limestone quarry

Limestone quarry

Page 3: © GCSE 026 08-April-13. Limestone quarry

Topley Pike quarry in the Peak District National Park

Page 4: © GCSE 026 08-April-13. Limestone quarry

All built with limestone

Page 5: © GCSE 026 08-April-13. Limestone quarry

Chippings in roads

Chippings

Paving

To neutralise acidic lakes

Page 6: © GCSE 026 08-April-13. Limestone quarry

CaCO3 CaO + CO2calcium carbonate calcium oxide

(limestone) (quicklime)

CaO + H2O Ca(OH)2calcium oxide calcium hydroxide

(quicklime) (slaked lime)

Page 7: © GCSE 026 08-April-13. Limestone quarry

Lime kilns(old and new)

Page 8: © GCSE 026 08-April-13. Limestone quarry

Farmer spreading calcium hydroxide to neutralise acidic soil

http://www.sciencephoto.com/images/download_wm_image.html/C0066786-Spreading_lime-SPL.jpg?id=670066786
Page 9: © GCSE 026 08-April-13. Limestone quarry

Testing for CO2 with limewater (calcium hydroxide solution)

Testing for CO2 with limewater

Limewater = calcium hydroxide solution

Page 10: © GCSE 026 08-April-13. Limestone quarry

CEMENT

Powdered limestone

+Powdered

clay

Heat in rotary kiln

Page 11: © GCSE 026 08-April-13. Limestone quarry

CONCRETE

Cement

+

Sand

+

Water

+

Crushed rock

Page 12: © GCSE 026 08-April-13. Limestone quarry

Concrete can break if stretched or bent

Page 13: © GCSE 026 08-April-13. Limestone quarry

Steel reinforced concrete

Page 14: © GCSE 026 08-April-13. Limestone quarry

Steel reinforced concrete

http://www.sciencephoto.com/images/download_wm_image.html/T840277-Reinforced_concrete_bridge_under_construction-SPL.jpg?id=848400277
Page 15: © GCSE 026 08-April-13. Limestone quarry

Bahai Lotus Temple in Delhi, India – made of concrete (1980)

Page 16: © GCSE 026 08-April-13. Limestone quarry

MORTAR

Cement

+

Sand

+

Water

Page 17: © GCSE 026 08-April-13. Limestone quarry

Mortar weathers and brickwork must be re-pointed.


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