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Erstellt von Ethan Harvey
vor mehr als 8 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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