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12 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Rocks provide essential building materials. Limestone is a naturally occurring resource that provides a starting point for the manufacture of ------ and --------. |
Cement and concrete. |
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What is limestone mainly composed of? |
Calcium carbonate (CaCO2) |
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Once limestone is quarried what is it used for? |
Building materials. |
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Calcium carbonate can be decomposed by heating (thermal decomposition). What does it make? |
Calcium oxide and carbon dioxide. |
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What does water react with to produce calcium hydroxide? |
Calcium oxide |
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Is calcium hydroxide an acid or an alkali? |
It is an alkali and is used in the neutralisation of acids. |
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A solution of calcium hydroxide in water (limewater) reacts with carbon dioxide to produce what? |
Calcium carbonate |
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Limewater is a test for what? |
Carbon dioxide. |
Carbon dioxide turns limewater cloudy. |
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Carbonates react with acids to produce carbon dioxide, a salt and water. Limestone is damaged by acid water. The reaction of carbonated with acids is limited to the reactions of? (5) |
Magnesium, copper, zinc, calcium and sodium. |
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Limestone is with clay to make? |
Cement. |
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Cement is mixed with sand to make? |
Mortar |
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Sand and aggregate make? |
Concrete |
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