Using Limestone
- Created by: izzygreenxoxo
- Created on: 06-04-17 12:11
View mindmap
- Using limestone
- Mainly Calcium carbonate
- Quarried from ground
- Made into blocks for buildings
- Sturdy
- Doesn't react
- Messes up landscape
- Noise and dust
- Destroy habitat
- Pollution
- Heated - thermally decomposes
- Calcium Oxide
- Carbon Dioxide
- Acid - reacts
- Salt
- Carbon dioxide
- Water
- Add water to calcium oxide
- Calcium hydroxide
- Alkali - neutralise acidic soil
- Test for CO2
- Lime water+ bubbles - cloudy if CO2 is present
- Calcium hydroxide
- Uses
- Cement - sand + aggregate (water and gravel) - concrete
- Cement - sand + aggregate (water and gravel) - concrete
- Lots of dust - breathing problems
- Cement - sand + water - mortar Cement - sand + water - mortar
- Energy - fossil fuels - pollution
- Positives
- Makes products
- Neutralises acidity from acid rain
- Provides jobs
- Landscape improved when finished with
- Advantages
- Widely available
- Cheap
- Easy to cut
- More hard-wearing also attractive
- Concrete - easily shaped
- Concrete - quick and cheap construction
- Doesn't rot
- Concrete - doesn't corrode
- Limestone - fire resistant
- Disadvantages
- Concrete - ugly
- Concrete - low tensile strength - can crack
Comments
No comments have yet been made