1. Exhalation process during respiration.
2. The lime water in test tube ‘B’ turns milky but water in tube ‘A’ remains unchanged. Because CO2 is present in the exhaled air, it mixes with lime water in ‘B’ and turns it milky.
1.In which jar, will the amount of CO2 be the highest and why? 2. In which jar, will the amount of CO2 be the lowest and why?
Question
Observe the figure given below carefully and answer the following questions. 
1. Which process is being tested in the activity? 2. What is the result of the activity? Give reasons.
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