write any two test for carbon dioxide
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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. Calcium carbonate is insoluble in water.
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co2 reacts with calcium hydroxide solution to produce a white precipitate of calcium carbonate.
lime water is a solution of calcium hydroxide .if co2 is bubbled through lime water ,the lime water turns milky white.
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