Answer:
Exhalation process during respiration
The lime water in test tube ‘B’ turns milky but water in tube A remains unchanged. Because C02 is present in the exhaled air, it mixes with lime water in ‘B’ and turns it milky.
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Answer:
Exhalation process during respiration
The lime water in test tube ‘B’ turns milky but water in tube A remains unchanged. Because C02 is present in the exhaled air, it mixes with lime water in ‘B’ and turns it milky.