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AQA Limestone

cparker Inglés 10 fichas

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  1. 1What is the chemical name for limestone?Calcium carbonate
  2. 2When you heat calcium carbonate what do you make?Calcium oxide + carbon dioxide
  3. 3What do you call this reaction?Thermal decomposition
  4. 4When you add water to calcium oxide what do you make?Calcium hydroxide
  5. 5Calcium hydroxide is an alkali. How do you neutralise this?With an acid
  6. 6How do you make cement?Heat and mix together clay and calcium carbonate (limestone)
  7. 7How do you make mortar?Cement + sand +water
  8. 8How do you make concrete?Cement + aggregate + water
  9. 9How do you test for carbon dioxide?Limewater. Turns cloudy
  10. 10Name an advantage and disadvantage of quarrying for limestoneAdvantages: Jobs and money
    Disadvantages: noise pollution, dust pollution, visual pollution

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Limestone flashcards, C1 Chemistry
Creado por
cparker
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