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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? |
* Remains of crushed sea shells
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What is its chemical name and formula? |
* Calcium Carbonate CaC03
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What happens when we heat CaCO3? |
* It breaks down into Calcium Oxide and Carbon Dioxide.
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What type of reaction is this? |
* Thermal Decomposition
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What is formed when Calcium oxide is added to water? |
* Calcium Hydroxide
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What happens when we bubble carbon dioxide into the Calcium Hydroxide? |
* It reforms Calcium Carbonate and goes cloudy
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What is another name for a solution of Calcium Hydroxide? |
* Limewater
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What gas does limewater test for? |
* Carbon Dioxide
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What is produced when a metal carbonate reacts with an acid? |
* Salt + Carbon Dioxide + Water
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How is cement made? |
* Heating with clay in a rotary kiln
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How is concrete made? |
* 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? |
* Aggregate
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What are the advantages of quarrying limestone? |
* More employment for local people
* More customers and trade for local businesses * Improved roads |
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What are the disadvantages of quarrying limestone? |
* Dust and Noise
* Traffic * Loss of habitats for wildlife |
