Limestone
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- Created by: ewaldr19
- Created on: 25-05-15 10:48
Other questions in this quiz
2. What is thermal decomposition
- When a substance heats up and breaks down
- When a substance reaches 100 degrees centergrade
- When a substance is heated to its highest melting point
- When a substance is heated so much it disintorgrates
3. What is a balanced equation for the thermal decomposition of calcium carbonate
- CaCO3 -> 3cO2 + CO2
- CaCO3 -> CaO + CO2
- CaCO3 -> C2O + CO2
- CaCO2 -> CaO + C2O
4. What is the balanced equation for the reaction of calcium oxide and water to produce calcium hydroxide
- COA + 2HO -> CA(OH)2
- CaO + H2O -> Ca(OH)2
- CAO + H2O -> CA(OH)2
- CaO + HO2 -> Ca(oh)2
5. Calcium Hydroxide can be used to make limewater. how?
- Heat the calcium hydroxidee in a limekiln
- Dissolve calcium hydroxide in water
- Mix calcium hydroxide with magnesium in a furncace
- Heat calcium hydroxide in liquid copper
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