4158704
Beschreibung
Karteikarten von Ethan Harvey, aktualisiert more than 1 year ago
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Erstellt von Ethan Harvey
vor fast 11 Jahre
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| Frage | Antworten |
| 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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