Question : The advantge of detergents over soaps is :
Option 1: Detergents are soluble in water
Option 2: Detergents could not give much lather
Option 3: Dtergents give lather even with hard water
Option 4: Soapes give lather with only soft water
Correct Answer: Dtergents give lather even with hard water
Solution : Correct Answer is Dtergents give lather even with hard water
In the case of detergents, more lather is formed in hard water than in soft water.
Water hardness is caused by the presence of calcium and magnesium salts. In hard water, detergents do not create insoluble precipitates with the calcium and magnesium ions.
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