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A scientist performed experiments to analyse the two samples of air given to him:'Air Sample A' and 'Air Sample B'. The results of analysis of these two air samples are given below: Air Sample A Air Sample B Oxygen : 21% Oxygen : 16.4% Carbon dioxide : 0.04% Carbon dioxide : 4.4% Water vapour : A little Water Vapour : A lot (a) Which air sample, A or B, represents 'exhaled air'? Why?(b) Which air sample, A or B, represents 'inhaled air'? Why? |
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Answer» A scientist performed experiments to analyse the two samples of air given to him: 'Air Sample A' and 'Air Sample B'. The results of analysis of these two air samples are given below:
(a) Which air sample, A or B, represents 'exhaled air'? Why? (b) Which air sample, A or B, represents 'inhaled air'? Why? |
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