A) 10%KOH
B) 10%NaOH
C) 1% \[N{{H}_{4}}OH\]
D) 1% \[Ca{{(OH)}_{2}}\]
Correct Answer: A
Solution :
KOH absorbs maximum \[C{{O}_{2}}\] in comparison to Na OH or \[Ca{{(OH)}_{2}}.\]
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