1.

What is the purpose of using freshly prepared KOH in the experiment shown below

Answer»

The experiment is about testing the release of carbon-dioxide from the plants during respiration.

The main PURPOSE of using freshly PREPARED KOH in the experiment is to test for the presence of CO₂ that has been released by the growing and RESPIRING plant.

The KOH will absorb the CO₂ and form K₂CO₃ and releases water.

KOH + CO₂ → K₂CO₃ + H₂O

When all the CO₂ has been absorbed by the KOH in the watch glass, a VACUUM will be created in the EXPERIMENTAL set-up.



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