how can we test the presence of carbon dioxide gas. give equation
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Answered by
32
Answer:
Calcium hydroxide makes a white precipitate in the presence of Carbon dioxide gas. Thus we can test the presence of Carbon dioxide.
Ca(OH)2 + CO2 = CaCO3 + H2O
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Answered by
12
Answer:
The calcium hydroxide solution reacts with the carbon dioxide to form calcium carbonate and water. The calcium carbonate is a solid and the particles are suspended in the solution. therefore, the white precipitate causes the solution to turn milky
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