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Class 10ScienceCarbon and its CompoundsSoaps and Detergents
Easy

How is scum formed?

  • A
    By the reaction of soap with soft water.
  • B
    By the reaction of soap with hard water containing calcium and magnesium salts.
  • C
    By the reaction of detergent with distilled water.
  • D
    By the reaction of soap with oil and grease.
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Class 10 Questions

Class 10

Science Questions

Chapter

Carbon and its Compounds

Subtopic

Soaps and Detergents

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