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| Questão | Responda |
| What is the chemical name for limestone? | Calcium carbonate |
| When you heat calcium carbonate what do you make? | Calcium oxide + carbon dioxide |
| What do you call this reaction? | Thermal decomposition |
| When you add water to calcium oxide what do you make? | Calcium hydroxide |
| Calcium hydroxide is an alkali. How do you neutralise this? | With an acid |
| How do you make cement? | Heat and mix together clay and calcium carbonate (limestone) |
| How do you make mortar? | Cement + sand +water |
| How do you make concrete? | Cement + aggregate + water |
| How do you test for carbon dioxide? | Limewater. Turns cloudy |
| Name an advantage and disadvantage of quarrying for limestone | Advantages: Jobs and money Disadvantages: noise pollution, dust pollution, visual pollution |
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