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ICSE Class 9 Answered

what is the use of KOH in showing experiment of respiration of seed  
Asked by rgkgmu | 16 Sep, 2015, 06:27: PM
answered-by-expert Expert Answer

Hi Harsh,

When water level rises in the tube, it indicates that carbon dioxide is produced by germinating seeds.So, the role of KOH here is that it absorbs the carbon dioxide gas which creates a vacuum in conical flask and finally pulls the water in the bent tube which proves respiration in plants.

Answered by | 16 Sep, 2015, 06:36: PM

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