Question

how would you test for the presence of co2​

Answer 1

Answer:

The most effective way to test for CO² is to bubble the gas through "lime water", 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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Answer 2

Answer:

passing obtained gas through lime water.

if CO2 is present limewater turns milky white

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