AQA Limestone

Flashcards by cparker, updated more than 1 year ago
Created by cparker almost 5 years ago


Limestone flashcards, C1 Chemistry

Resource summary

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