A substance a reacts with water to form a sub substance b which is used for white washing this substance further reacts with carbon dioxide to form solid substance c
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A-- Cao(quick lime)
B-- Ca(OH) (SLAKED LIME)
C-- CAC03 (CALCIUM CARBONATE)
B-- Ca(OH) (SLAKED LIME)
C-- CAC03 (CALCIUM CARBONATE)
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✨Element A is calcium (Ca). When it reacts with water, it forms calcium hydroxide. Thus, compound B is calcium hydroxide [Ca(OH)2], which is used in white washing.✨
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