Calcium oxide reacts vigorously with water to produce slaked lime whose solution is used for white-washing walls. This slaked lime reacts with component (A) in air to form a thin layer of component (B) to give a shiny finish. What are the components (A) a

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Q: (CDS-I/2021)
Calcium oxide reacts vigorously with water to produce slaked lime whose solution is used for white-washing walls. This slaked lime reacts with component (A) in air to form a thin layer of component (B) to give a shiny finish. What are the components (A) and (B) ?
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question_subject: 

Science

question_exam: 

CDS-I

stats: 

0,10,22,4,10,8,10

keywords: 

{'calcium oxide reacts': [0, 0, 0, 1], 'lime reacts': [0, 0, 0, 1], 'lime': [1, 0, 5, 12], 'shiny finish': [0, 0, 0, 1], 'cacog': [0, 0, 0, 1], 'components': [1, 1, 3, 6], 'component': [1, 1, 1, 7], 'washing walls': [0, 0, 0, 1], 'coa': [1, 0, 0, 1], 'solution': [2, 0, 7, 14], 'water': [65, 15, 80, 129], 'thin layer': [0, 0, 1, 2]}