Question

A test tube containing lime water turns milky when air is exhaled into it. This is because exhaled air contains​

Answer 1

Answer:

When carbon dioxide is passed through lime water for a short time, it turns lime water milky due to formation of a white precipitate of calcium carbonate. Exhaled air contains less oxygen and more carbon dioxide. The reaction is as follows:

When carbon dioxide is passed through lime water for a short time, it turns lime water milky due to formation of a white precipitate of calcium carbonate. Exhaled air contains less oxygen and more carbon dioxide. The reaction is as follows:CaO+CO,→ CaCO

When carbon dioxide is passed through lime water for a short time, it turns lime water milky due to formation of a white precipitate of calcium carbonate. Exhaled air contains less oxygen and more carbon dioxide. The reaction is as follows:CaO+CO,→ CaCO

due to formation of a white precipitate of calcium carbonate. Exhaled air contains less oxygen and more carbon dioxide. The reaction is as follows:CaO+CO,→ CaCO

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