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What is the process of converting a substance from the liquid state to the gaseous state at any temperature below its boiling point?
- a)Boiling
- b)Condensation
- c)Sublimation
- d)Evaporation
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
What is the process of converting a substance from the liquid state to...
Evaporation:
Evaporation is the process of converting a substance from the liquid state to the gaseous state at any temperature below its boiling point. This process occurs at the surface of the liquid, where molecules with enough kinetic energy can escape into the air as vapor.
Key Points:
- Evaporation is a surface phenomenon where molecules escape from the surface of the liquid into the air.
- It occurs at any temperature below the boiling point of the substance.
- The rate of evaporation increases with an increase in temperature, surface area, and wind speed.
- Evaporation is a cooling process as it absorbs heat from the surroundings to provide the energy required for the molecules to escape.
Importance of Evaporation:
- Evaporation is essential for the water cycle, where water from oceans, lakes, and rivers evaporates into the atmosphere and later condenses to form clouds and precipitation.
- It plays a crucial role in cooling processes such as sweating in humans and transpiration in plants.
- Evaporation is used in industries for processes like drying, concentration of solutions, and cooling.
Factors Affecting Evaporation:
- Temperature: Higher temperatures lead to increased evaporation rates.
- Surface Area: Larger surface areas result in faster evaporation.
- Humidity: Lower humidity levels facilitate faster evaporation.
- Wind Speed: Higher wind speeds enhance the evaporation process by removing the saturated air from the surface.
In conclusion, evaporation is the process of converting a substance from a liquid to a gaseous state below its boiling point. Understanding the factors that affect evaporation is crucial in various applications, from the water cycle in nature to industrial processes.
Evaporation is the process of converting a substance from the liquid state to the gaseous state at any temperature below its boiling point. This process occurs at the surface of the liquid, where molecules with enough kinetic energy can escape into the air as vapor.
Key Points:
- Evaporation is a surface phenomenon where molecules escape from the surface of the liquid into the air.
- It occurs at any temperature below the boiling point of the substance.
- The rate of evaporation increases with an increase in temperature, surface area, and wind speed.
- Evaporation is a cooling process as it absorbs heat from the surroundings to provide the energy required for the molecules to escape.
Importance of Evaporation:
- Evaporation is essential for the water cycle, where water from oceans, lakes, and rivers evaporates into the atmosphere and later condenses to form clouds and precipitation.
- It plays a crucial role in cooling processes such as sweating in humans and transpiration in plants.
- Evaporation is used in industries for processes like drying, concentration of solutions, and cooling.
Factors Affecting Evaporation:
- Temperature: Higher temperatures lead to increased evaporation rates.
- Surface Area: Larger surface areas result in faster evaporation.
- Humidity: Lower humidity levels facilitate faster evaporation.
- Wind Speed: Higher wind speeds enhance the evaporation process by removing the saturated air from the surface.
In conclusion, evaporation is the process of converting a substance from a liquid to a gaseous state below its boiling point. Understanding the factors that affect evaporation is crucial in various applications, from the water cycle in nature to industrial processes.
Community Answer
What is the process of converting a substance from the liquid state to...
The process of converting a substance from the liquid state to the gaseous state at any temperature below its boiling point is called evaporation.
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What is the process of converting a substance from the liquid state to the gaseous state at any temperature below its boiling point?a)Boilingb)Condensationc)Sublimationd)EvaporationCorrect answer is option 'D'. Can you explain this answer?
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What is the process of converting a substance from the liquid state to the gaseous state at any temperature below its boiling point?a)Boilingb)Condensationc)Sublimationd)EvaporationCorrect answer is option 'D'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about What is the process of converting a substance from the liquid state to the gaseous state at any temperature below its boiling point?a)Boilingb)Condensationc)Sublimationd)EvaporationCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the process of converting a substance from the liquid state to the gaseous state at any temperature below its boiling point?a)Boilingb)Condensationc)Sublimationd)EvaporationCorrect answer is option 'D'. Can you explain this answer?.
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