Discussion
Match each method in List I with its mechanism in List II.
List I
A. Absorption
B. Adsorption
C. Incineration
D. Condensation
List II
1. Retention on a solid surface
2. Dissolution into a liquid
3. Cooling below the dew point
4. Oxidation to carbon dioxide and water
Select the correct match.
Answer: B
Three of these capture the pollutant and one destroys it, which is the first distinction to draw when choosing between them. Capture leaves something to handle afterwards, and that residue is often what settles the decision.
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