4158704
Descripción
Fichas por Ethan Harvey, actualizado hace más de 1 año
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Creado por Ethan Harvey
hace casi 9 años
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| Pregunta | Respuesta |
| Why do we quarry Limestone? | Because limestone has many uses, e.g building |
| What is limestone used to make? | Limestone is used to make calcium oxide & cement |
| What is limestone mainly made up of? | Limestone is mainly made up of calcium carbonate (CaCO3) |
| What happens when calcium carbonate is strongly heated? | When heated, it decomposes to make calcium oxide and carbon dioxide. This is done on a large scale in lime kilns. (thermal decomposition) |
| What is the equation for the thermal decomposition of calcium carbonate? | The equation is: |
| What is thermal decomposition? | The breakdown of a compound by heat |
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