Why koh is used in this experiment
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Answer:
to absorb co2
koh is used
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Explanation:
Some germinating seeds are taken in the bulb and mouth of the bent tube is kept immersed in a beaker containing caustic potash(KOH) solution. ... The caustic potash absorbs the CO2 and a vaccum is created. So the KOH solution rises in the tube. This proves that CO2 is liberated during respiration.
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