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15 Cards in this Set
- Front
- Back
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What type of rock is Limestone? |
Sedimentary rock
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What is it made from?
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Remains of crushed sea shells
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What is its chemical name and formula?
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Calcium Carbonate CaC03
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What happens when we heat it?
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It breaks down into Calcium Oxide and Carbon Dioxide.
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What type of reaction is this?
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Thermal Decomposition
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What is formed when Calcium oxide is added to water?
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Calcium Hydroxide
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What happens when we bubble carbon dioxide into the Calcium Hydroxide.
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It reforms Calcium Carbonate and goes cloudy
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What is another name for a solution of Calcium Hydroxide?
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Limewater
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What gas does limewater test for?
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Carbon Dioxide
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What is produced when a metal carbonate reacts with an acid?
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Salt + Carbon Dioxide + Water
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How is cement made
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Heating with clay in a rotary kiln
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How is concrete made
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Mixing cement with sand water and crushed rock
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What is another word for small stones or gravel added to cement to make concrete.
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Aggregate
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What are the advantages of quarrying limestone?
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o More employment for local people o More customers and trade for local businesses o Improved roads |
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What are the disadvantages of quarrying limestone?
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o Dust and Noise o Traffic o Loss of habitats for wildlife. |
