Name the substance which is used in the experiment to absorb carbon dioxide.
What happens after introducing the substance in the test-tube?
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Answer:
Scientists can use sodium hydroxide to absorb carbon dioxide from the air so that it is unavailable for the plants to use in photosynthesis. In this particular experiment, a de-starched plant is covered using an airtight transparent plastic bag.
Explanation:
Potassium hydroxide is used in the experiment for the absorption of CO2 from the plant released during respiration. When KOH absorbs CO2, it creates a vacuum in the flask. The air present in the bent glass tube moves into the conical flask. This pulls the water in the bent tube further up.
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