Question:
Viscosity of gases with increase in temperature:
Viscosity of gases with increase in temperature:
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Gas viscosity: increases with temperature.
Liquid viscosity: decreases with temperature.
Liquid viscosity: decreases with temperature.
Updated On: Aug 18, 2026
- Decreases
- Remains same
- Increases
- Changes predominantly due to cohesive forces
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Viscosity of gases depends on temperature.
The behaviour is different from liquids.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the temperature dependence of gas viscosity.
Step 3: Detailed Explanation:
Viscosity of gases increases with an increase in temperature.
This is because molecular motion increases.
Cohesive forces are more important in liquids.
Thus, gas viscosity increases with temperature.
Step 4: Final Answer:
Viscosity of gases increases with temperature.
Hence, the correct option is (C).
Viscosity of gases depends on temperature.
The behaviour is different from liquids.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the temperature dependence of gas viscosity.
Step 3: Detailed Explanation:
Viscosity of gases increases with an increase in temperature.
This is because molecular motion increases.
Cohesive forces are more important in liquids.
Thus, gas viscosity increases with temperature.
Step 4: Final Answer:
Viscosity of gases increases with temperature.
Hence, the correct option is (C).
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