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The filter in a cigarette reduces the amount of nicotine inhaled by 

Chemistry
WAEC 2025

The filter in a cigarette reduces the amount of nicotine inhaled by 

  • A. adsorption
  • B. absorption
  • C. burning
  • D. evaporation
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Correct Answer: Option A
Explanation

The cigarette filter reduces nicotine levels through adsorption, a surface phenomenon where nicotine molecules (the solute) from the smoke (mobile phase) adhere to the surface of the filter material (stationary phase).

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts