During white-washing of walls, slaked lime reacts slowly with carbon dioxide in air to form a thin layer of calcium carbonate on the walls. Which of the following reactions represents this correctly?

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Q: 52 (CDS-II/2023)
During white-washing of walls, slaked lime reacts slowly with carbon dioxide in air to form a thin layer of calcium carbonate on the walls. Which of the following reactions represents this correctly?

question_subject: 

Science

question_exam: 

CDS-II

The correct reaction for the white-washing process is the formation of calcium carbonate when slaked lime (calcium hydroxide) reacts with carbon dioxide in the presence of water, resulting in a solid layer of CaCO₃ and water.