Question

How can you check the presence of carbondioxide​

Answer 1

Answer:

A standard test for the presence of carbon dioxide is its reaction with limewater (a saturated water solution of calcium hydroxide ) to form a milky-white precipitate of calcium hydroxide. Carbon dioxide occurs in nature both free and in combination (e.g., in carbonates ).

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Answer 2

Answer:

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Explanation:

Carbon dioxide reacts with calcium hydroxide solution to produce a white precipitate of calcium carbonate. Limewater is a solution of calcium hydroxide. If carbon dioxide is bubbled through limewater, the limewater turns milky or cloudy white