when you suck in air through which boiling tube does the air flow into the apparatus ? How can you find out?
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Explanation:
yes the air reached to the apparatus
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When we breathe in, then the inhaled air (fresh air) enters the glass tube and passes through the lime-water in boiling tube . And when we breathe out, then the exhaled air (coming from our lungs) passes through the lime-water in boiling tube . We continue to breathe in and breathe out for about five minutes.
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