The chemical used to absorb carbon dioxide during a test to check for the significance of carbon dioxide in photosynthesis is

potassium hydroxide

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sodium chloride

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iodine

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potassium iodide

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Solution

The correct option is A potassium hydroxide
Potassium hydroxide absorbs carbon dioxide from the atmosphere. Potassium hydroxide is used in the experiment to prove that carbon dioxide is important for photosynthesis.

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Similar questions

Which one chemical reaction occurs during photosynthesis ?

(a) Carbon dioxide is reduced and water is oxidised.

(b) Water is reduced and carbon dioxide is oxidised.

(d) Both carbon dioxide and water are reduced.

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