In orsat apparatus KO2
Orsat उपकरण में KO2 निम्न को अवशोषित करने के लिए उपयोग किया जाता है
CO2
O2
N2
CO2
The most common absorbents are:
Note : In this question, there should
be KOH instead of KO2
Hence, the correct option is (A).
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