Answers

2015-08-21T05:40:09+05:30
Solution used to white wash the walls is Quick lime(CaO) and when it is mixed with slaked lime [Ca(OH)2]. When this paste is used for white washing it combines with atmospheric CO2 to form calcium carbonate (CaCO3) which gives it a shiny texture. 
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2015-08-21T15:52:06+05:30
Calcium carbonate which is, in chemical formula CaCO–∑ gives the shiny texture to the walls.

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