Question

With the help of an experiment show that exhaled air contains more carbon dioxide that inhaled air.​

Answer 1

take a round bottom flask and fill it half with limewater. Fix a cork and drill a hole in it. Put a straw through the hole into the flask. Hold th straw and blow some exhaled air into it through ur mouth. And observe.................. The lime water turns milky due to the formation of cacium carbonate when it reacts with carbon dioxide

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