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The absorption of ink by blotting paper involves

  1. A
    viscosity of ink
  2. B
    capillary action
  3. C
    diffusion of ink
  4. D
    siphon action

Solution & Step-by-step Explanation

Blotting paper contains microscopic pores and fibrous channels that function like fine narrow tubes. When ink touches the paper, liquid is drawn spontaneously into these pores due to the surface tension phenomenon known as capillary action.

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The absorption of ink by blotting paper involves
A
viscosity of ink
B
capillary action
C
diffusion of ink
D
siphon action

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Fluid MechanicsCapillarityGeneral Science

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