science
Grade-5
Easy
Question
To clean spectacles, people often breathe out on the spectacles. This is an example of__________.
- Condensation
- Evaporation
- Sublimation
- Vaporization
Hint:
Condensation happens when vapor cools down to form liquid.
The correct answer is: Condensation
- When vapor laden breath touches the cool surface of glass, it condenses.
- It forms very minute droplets hence it cleans the surface of glass.
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