For walls of buildings a white wash can be made that is resistant to weather. This white wash has a water proof film that is made by adding hydrated lime to milk protein (say, from skimmer milk) and ?

Vinger

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Formaldehyde

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Soda

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Sugar

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Solution

The correct option is B Formaldehyde
To make wall resistant to weather effects, during whitewash made by adding is hydrated lime to milk protein and formaldehyde. So as to make wall waterproof.

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For walls of buildings a white wash can be made that is resistant to weather. This white wash has a water proof film that is made by adding hydrated lime to milk protein (say, from skimmer milk) and ?

The correct option is B FormaldehydeTo make wall resistant to weather effects, during whitewash made by adding is hydrated lime to milk protein and formaldehyde. So as to make wall waterproof.

The correct option is B Formaldehyde
To make wall resistant to weather effects, during whitewash made by adding is hydrated lime to milk protein and formaldehyde. So as to make wall waterproof.