Instead of using KOH, ____ can also be used to detect the presence of CO₂ during photosynthesis.

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Solution

Mohl's experiment:
In Mohl's experiment, the area of leaf not exposed to KOH exhibited positive starch tests, indicating the presence of the CO₂ as well as the occurrence of photosynthetic process in that area.
However, the part of the leaf exposed to KOH did not have access to the CO₂ so there was no photosynthesis happened and it tested negative for starch.
Other chemicals which can be used instead of KOH in the experiment:
Soda-lime (NaOH & Ca(OH2))
CaO (limestone)
Potassium pyrogallate
Final Answer: Instead of using KOH, soda-lime can also be used to detect the presence of CO₂ during photosynthesis.

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Instead of using KOH, ____ can also be used to detect the presence of CO2 during photosynthesis.

Instead of using KOH, ____ can also be used to detect the presence of CO₂ during photosynthesis.