Simple experiment to prove that carbon dioxide is present
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if you take a glass of slaked lime and take a drinking straw and put it into the nose and the other two is put it into the class 10 in Hell or HCL you looks calcium hydroxide that's milky due to the presence of calcium carbonate in which carbon dioxide is present
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when sodium bicarbonate react with sulphuric acid it produces carbon dioxide which is the principal of firefighting extinguisher
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