how to test the evolution of carbon dioxide gas in a chemical reaction?
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65
Explanation:
Bubble the gas through limewater.
The most effective way to test for CO2 is to bubble the gas through "limewater", a diluted solution of calcium hydroxide (slaked lime). When you bubble carbon dioxide through the solution, it forms a solid precipitate of calcium carbonate – chalk or limestone.
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20
Explanation:
when the calcium carbonate is break in presence of heat then calcium oxide and co2
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