Which solid salt is formed as an end product of the CO2 absorber reaction?

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Multiple Choice

Which solid salt is formed as an end product of the CO2 absorber reaction?

Explanation:
The reaction in CO2 absorbers uses a basic material (calcium hydroxide) to chemically bind CO2. CO2 reacts with calcium hydroxide to produce calcium carbonate, which precipitates as a solid, and water. So the solid salt formed is calcium carbonate. The other salts listed would require different reactants or processes and don’t arise from the CO2 capture chemistry in soda lime.

The reaction in CO2 absorbers uses a basic material (calcium hydroxide) to chemically bind CO2. CO2 reacts with calcium hydroxide to produce calcium carbonate, which precipitates as a solid, and water. So the solid salt formed is calcium carbonate. The other salts listed would require different reactants or processes and don’t arise from the CO2 capture chemistry in soda lime.

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