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Question
Look at Fig. 4.15. Why was the oil added over water in the test tubes?
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Solution
Answer
In this experiment, oil was added to prevent the evaporation of water in the test tube.
The process studied in the above experiment is water absorption by plant roots through osmosis.
In this experiment, oil was added to prevent the evaporation of water in the test tube.
The process studied in the above experiment is water absorption by plant roots through osmosis.
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