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Questions and Answers
What is the main difference between evaporation and boiling?
What is the main difference between evaporation and boiling?
- Evaporation only happens at low temperatures, while boiling only happens at high temperatures.
- Evaporation occurs only at the surface, while boiling occurs throughout the liquid. (correct)
- Evaporation involves molecules turning into solids, while boiling involves molecules turning into gases.
- Evaporation and boiling are the same process, just occurring at different rates.
Which of the following statements about evaporation is true?
Which of the following statements about evaporation is true?
- Evaporation can only occur at high temperatures.
- Evaporation occurs when molecules throughout the liquid gain energy to become gases.
- Evaporation can occur at any temperature. (correct)
- Evaporation stops once a liquid reaches its boiling point.
What determines the boiling point of a substance?
What determines the boiling point of a substance?
- The temperature at which the liquid starts to condense.
- The temperature at which molecules throughout the liquid can change to the gaseous state. (correct)
- The temperature at which the liquid starts to evaporate.
- The temperature at which the liquid starts to freeze.
What is the reason for the faster evaporation of rubbing alcohol on your hand compared to on the table?
What is the reason for the faster evaporation of rubbing alcohol on your hand compared to on the table?
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What happens to the temperature of a liquid while it is boiling?
What happens to the temperature of a liquid while it is boiling?
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