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Question
Detergents give scum with hard water.
Detergents give scum with hard water.
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Solution
The correct option is B False
Scum is a white insoluble substance formed when soap is used in hard water. It does not let the soap to form lather readiy and decreases its cleaning action.
Detergents, on the other hand, form lather in both hard and soft water, do not form scum and effectively do the cleaning.
False
Scum is a white insoluble substance formed when soap is used in hard water. It does not let the soap to form lather readiy and decreases its cleaning action.
Detergents, on the other hand, form lather in both hard and soft water, do not form scum and effectively do the cleaning.
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