If the temperature of a liquid increases, what happens to its viscosity?

Practice Questions

Q1
If the temperature of a liquid increases, what happens to its viscosity?
  1. Increases
  2. Decreases
  3. Remains constant
  4. Varies unpredictably

Questions & Step-by-Step Solutions

If the temperature of a liquid increases, what happens to its viscosity?
  • Step 1: Understand what viscosity means. Viscosity is a measure of how thick or sticky a liquid is.
  • Step 2: Know that temperature affects how molecules in a liquid move. When a liquid gets warmer, its molecules move faster.
  • Step 3: Realize that faster-moving molecules can slide past each other more easily.
  • Step 4: Conclude that as the temperature of the liquid increases, it becomes less thick or sticky.
  • Step 5: Therefore, the viscosity of the liquid decreases when the temperature increases.
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