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Versatile Uses of Limestone in Industries and Agriculture

Discover the diverse applications of limestone – from building materials to soil improvement. Learn about heating limestone to produce quicklime for various uses, including neutralizing soil acidity. Explore the limestone cycle and its benefits and challenges.

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Versatile Uses of Limestone in Industries and Agriculture

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  1. Uses of limestone Uses of limestone • Limestone is mainly calcium carbonate • Limestone can be quarried and used as a building material. • It is used in the making of glass, cement, concrete, toothpaste, bread and is used to neutralise lakes and soil

  2. Uses of limestone Uses of limestone

  3. Heating limestone Heating limestone • When limestone is heated in a kiln it breaks down into quicklime (calcium oxide) • This reaction is called thermal decomposition • Quicklime reacts with water to produce slaked lime (calcium hydroxide) which is used to reduce the acidity of soil

  4. Making Quicklime Making quicklime

  5. Making Quicklime Making quicklime

  6. Making Slaked lime Making slaked lime

  7. Making Slaked lime Making slaked lime

  8. Limestone Cycle Making slaked lime

  9. Limestone Cycle Making slaked lime

  10. Limestone Cycle Making slaked lime

  11. Limestone – Benefits/Problems Limestone – Benefits / Problems

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