General Science - Physics (Basics)
Why are detergents preferred over soaps in hard water?
Why are detergents preferred over soaps in hard water?
medium Q14 of 15
Step-by-Step Solution
Step 1: Understand the effect of hard water on soaps and detergents
Hard water contains calcium and magnesium salts which react with soap to form insoluble scum.Step 2: Analyze options
Soaps form scum with hard water salts, reducing cleaning efficiency; detergents do not form scum and work well in hard water.Final Answer:
Soaps form scum with hard water salts → Option BQuick Check:
Soaps form scum in hard water = True ✅
Quick Trick: Remember: Soap + Hard water = Scum; Detergent no scum.
Common Mistakes:
MISTAKES- Confusing detergents as forming scum or soaps dissolving better in hard water.
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