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C1 2 - Limestone
Rocks and Building Materails
Question | Answer |
---|---|
How do you make concrete using cement? | Mix cement with water, sand and crushed rocks then leave it to set. |
What is it called when calcium carbonate is heated to make calcium oxide and carbon dioxide? | Thermal decomposition |
How do you test for carbon dioxide? | Guide the suspect gas into limewater and see if it turns it cloudy. |
What is a disadvantage of using explosive charges while quarrying limestone? | The noise scares off wildlife and disrupts local residents. |