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Class 12ChemistrySurface ChemistryColloids, Emulsion, Gel and Their properties with application
Medium

Why does bleeding stop by rubbing moist alum?

  • A
    Alum acts as an antiseptic.
  • B
    Alum causes coagulation of blood proteins.
  • C
    Alum reduces the temperature of the wound.
  • D
    Alum acts as a blood thinner.
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Surface Chemistry

Subtopic

Colloids, Emulsion, Gel and Their properties with application

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