Limestone revision
- Created by: Julianna Zielinska
- Created on: 07-01-13 16:59
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- Limestone
- Quarrying
- Positives
- Making concrete when burnt and mixed with appropriate amounts of clay
- Limestone of suitable quality is a good dimension stone which can be used for building
- Negatives
- Noisy, unsightly and often located in sites of outstanding natural beaty such as the peak district or dales national parks in the UK
- need large volumes of heavy lorries Destruction of existing habitat and destruction of rare karst and cave systems
- Positives
- Calcium carbonate
- when heated breaks down to form calcium oxide and carbon dioxide
- Calcium oxide reacts with water to produce calcium hydroxide
- Calcium carbonate breaks down when heated strongly. This reaction is calledthermal decomposition
- Other metal carbonates decompose in the same way, including:sodium carbonatemagnesium carbonatecopper carbonate
- Quarrying
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