Question

why is KOH solution kept in the test tube inside the air tight conical flask while doing the experiment of respiration of seeds

Answer 1

koh absorbs carbon dioxide creating a vacuum and making the water level rise

Answer 2

Anhydrous KOH absorbs the produced CO2 creating a partial vacuum so that the water rises in the bent tube.


Feel free to message me if you have any doubts.

May this new year be prosperous and glorious for you.

Please Mark my answer as brainliest.

- Maheshwaran.