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What are the aim and reslts of activity 6.4 and 6.5??

AIM of 6.4 is to prove thaa CO2 is released out during the process of respiration

RESULT of 6.4 is that lime water turns milky after CO2 is passed through lime water. Hence CO2 is released during respiration

 

AIM of 6.5 is to prove that respiration takes place in yeast

RESULT of 6.5 is that yeast releases CO2 during respiration and to prove it lime water is used and it turns milky. 

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Aim of activity
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Result of activity 6.4 is that during respiration food is oxidised to form CO2, H2O and energy. Due to this CO2 the lime water turns milky
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Activity 6.6 bio 10
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Activities 6.8 class 10
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Class 10 science 6 chapter activities 6.5 6.8of aim procedure all of the above
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solution of activity 6.4

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Activity 6.4 proves that carbon dioxide is the product of respiration.

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Aim of activity 6.4 is to show that carbon dioxide is present in exhale air..and result of this activity is that When we exhale air in line water it will get turns into milky as we know that Lime water turns milky only if carbon dioxide gas react with it.
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Observation : the lime water turns milky as we exhale because we release carbon dioxide and when carbon dioxide is mixed with lime water it turns milky
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Design an activity to show that CO2 is released during breathing.
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