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