In the context of eudiometry (gas analysis), which of the following pairs of specific absorbent reag — States of Matter and Gaseous State Chemistry Question

💡 Solution & Explanation

All the given matches are standard principles in Eudiometry. $KOH$ absorbs acidic gases like $CO_2$ and $SO_2$. Alkaline pyrogallol absorbs $O_2$. Ammoniacal cuprous chloride forms a complex with $CO$ to absorb it. Turpentine oil selectively absorbs $O_3$.