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When the temperature increases, the viscosity of,
- a)gases decrease and liquids increase.
- b)gases increase and liquids decrease.
- c)gases and liquids increase.
- d)gases and liquids decrease.
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
When the temperature increases, the viscosity of,a)gases decrease and ...
Viscosity is the property of fluids by the virtue of which it opposes any relative motion between the layers of fluid or between any object and fluid surrounding it. It is analogous to friction for fluids.
It depends strongly on temperature. In liquids, it usually decreases with increasing temperature, whereas, in gases, viscosity increases with increasing temperature.
It depends strongly on temperature. In liquids, it usually decreases with increasing temperature, whereas, in gases, viscosity increases with increasing temperature.
Most Upvoted Answer
When the temperature increases, the viscosity of,a)gases decrease and ...
- **Explanation:**
**Effect of Temperature on Viscosity:**
- **Viscosity of Gases:** When the temperature increases, the viscosity of gases increases. This is because an increase in temperature causes the gas molecules to move faster, leading to more collisions between molecules. These increased collisions result in higher resistance to flow, hence increasing the viscosity.
- **Viscosity of Liquids:** On the other hand, when the temperature increases, the viscosity of liquids decreases. This is because higher temperatures cause the liquid molecules to move more rapidly, breaking the intermolecular forces that contribute to viscosity. As a result, the liquid flows more easily, and its viscosity decreases.
**Conclusion:**
- Therefore, the correct statement is that as the temperature increases, the viscosity of gases increases, while the viscosity of liquids decreases.
**Effect of Temperature on Viscosity:**
- **Viscosity of Gases:** When the temperature increases, the viscosity of gases increases. This is because an increase in temperature causes the gas molecules to move faster, leading to more collisions between molecules. These increased collisions result in higher resistance to flow, hence increasing the viscosity.
- **Viscosity of Liquids:** On the other hand, when the temperature increases, the viscosity of liquids decreases. This is because higher temperatures cause the liquid molecules to move more rapidly, breaking the intermolecular forces that contribute to viscosity. As a result, the liquid flows more easily, and its viscosity decreases.
**Conclusion:**
- Therefore, the correct statement is that as the temperature increases, the viscosity of gases increases, while the viscosity of liquids decreases.
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When the temperature increases, the viscosity of,a)gases decrease and liquids increase.b)gases increase and liquids decrease.c)gases and liquids increase.d)gases and liquids decrease.Correct answer is option 'B'. Can you explain this answer?
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