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10 Cards in this Set
- Front
- Back
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How is mortar made? |
cement + sand + water |
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How is concrete made? |
cement + sand + water + aggregate |
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What are the names of each stage of the limestone cycle? |
Calcium carbonate thermal decomposition (Carbon dioxide lost) Calcium oxide Add water Calcium hydroxide Add more water Calcium hydroxide solution Add carbon dioxide Calcium Carbonate |
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What are the uses of limestone? |
Used for buildings and statues as limestone is durable, strong and easily cut. |
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How is cement made? |
Limestone + clay (HEATED) = cement LiCH |
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How is mortar made? |
Limestone + clay + sand
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What is calcium hydroxide used for? |
Neutralising acids |
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What is limewater used for? |
Limewater is used as a test for carbon dioxide. If carbon dioxide is present, limewater goes cloudy. |
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Give two disadvantages of quarrying. |
-Visible from long distances - may permanently disfigure local environment. -noise and traffic pollution
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Give two advantages of quarrying. |
-Limestone is a valuable natural resource -Employment opportunities |
