Multiple choice general knowledge science & technology

What property of certain liquids allow them to rise up within a wick (imagine a kerosene lamp)?

  1. Capillary Action

  2. Adhesion

  3. Cohesion

  4. Surface Tension
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Capillary action is the property that allows liquids to flow in narrow spaces without external forces like gravity. In a wick, the liquid rises due to adhesive forces between the liquid and wick material overcoming cohesive forces within the liquid and gravity.

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