WBCS.LIVE practice question

The absorption of ink by blotting paper involves

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. viscosity of ink
  2. capillary action
  3. diffusion of ink
  4. siphon action

Correct answer and explanation

Correct answer: capillary action

Explanation: āœ… Correct Answer: B) capillary action šŸ“š Explanation: Blotting paper contains numerous fine pores and fibers that act like narrow tubes. When ink touches the paper, surface tension pulls the liquid up into these tiny spaces through 'capillary action'. This process allows the paper to absorb large amounts of ink quickly. it is a common physical phenomenon used in many everyday tools, from paper towels to oil lamps.