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Lime water is not white in colour then also it is used in white wash. Give reason

Posted by Rubi Kumari 5 years, 7 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 7 months ago

The solution used for white washing of the wall is quick lime(CaO).And when this quick lime is mixed with water it gets converted into slaked lime [Ca(OH)2]
and on exposure to the air it finally gets converted into Calcium carbonate[CaCO₃] due to which walls shine...

1.CaO + H₂O -----> Ca(OH)₂
2.Ca(OH)₂ + CO₂ -----> CaCO₃

1Thank You

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Posted by Pandey Ji 5 months, 4 weeks ago

CBSE > Class 10 > Science