Single Answer MCQ
Q-00002014
How is a solution of slaked lime used for whitewashing walls?
1
To provide insulation
2
To provide color
3
To provide shine
4
To provide disinfection
Answer and Solution
Answer
D. To provide disinfection
Solution:
A solution of slaked lime (calcium hydroxide) is used for whitewashing walls due to its disinfectant properties. The alkaline nature of slaked lime helps in killing germs and preventing the growth of fungi and bacteria on the walls.
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