Multiple choice

The spherical shape of the drop of water is due to

  1. hydrogen bonding in water

  2. tetrahedral structure in water

  3. surface tension in water

  4. viscosity of water
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Surface tension is the property of a liquid surface that allows it to resist an external force, caused by the cohesive forces between liquid molecules. This causes water droplets to minimize their surface area, resulting in a spherical shape.

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