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A student takes some water in a beaker and heats it over a flame for determining its boiling point. He keeps on taking its temperature reading. He observes that the temperature of the water :
- a)keeps on increasing regularly
- b)keeps on increasing irregularly
- c)first increases slowly, then decreases rapidly and eventually becomes constant
- d)first increases gradually and then becomes constant
Correct answer is option 'D'. Can you explain this answer?
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A student takes some water in a beaker and heats it over a flame for ...
It is a matter that the temperature increases till the substance are in its original state.
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A student takes some water in a beaker and heats it over a flame for ...
Increasing temperature and boiling point of water
Introduction:
When a student heats water in a beaker to determine its boiling point, he observes changes in the temperature of the water. It is important to understand how the temperature of the water changes during this process.
Explanation:
The correct answer is option 'D' - the temperature first increases gradually and then becomes constant. This is because the heating process causes the water molecules to gain energy and move faster, resulting in an increase in temperature. However, there are certain key points to consider:
1. Initial stage: Initially, as the flame is applied to the beaker, the temperature of the water rises slowly. This is because the heat energy from the flame is being transferred to the water molecules, causing them to gain kinetic energy and move faster. However, the heat energy is being distributed among a large number of water molecules, resulting in a slow increase in temperature.
2. Rapid increase: As the heating continues, the temperature of the water starts to increase more rapidly. This is because the water molecules are gaining more energy from the flame, and the heat energy is being distributed more efficiently among the water molecules. As a result, the temperature of the water rises at a faster rate.
3. Boiling point: Eventually, the temperature of the water reaches its boiling point. At this point, the water starts to change from a liquid phase to a gaseous phase, forming water vapor. The boiling point of water is 100 degrees Celsius (212 degrees Fahrenheit) at normal atmospheric pressure. Once the water starts boiling, the temperature remains constant, even if the heat input continues.
Conclusion:
In conclusion, when a student heats water in a beaker to determine its boiling point, the temperature of the water first increases gradually as the heat energy is transferred to the water molecules. Then, as the heating continues, the temperature rises more rapidly. Finally, when the boiling point is reached, the temperature remains constant as the water starts to boil and convert into water vapor. This observation helps in determining the boiling point of water accurately.
Introduction:
When a student heats water in a beaker to determine its boiling point, he observes changes in the temperature of the water. It is important to understand how the temperature of the water changes during this process.
Explanation:
The correct answer is option 'D' - the temperature first increases gradually and then becomes constant. This is because the heating process causes the water molecules to gain energy and move faster, resulting in an increase in temperature. However, there are certain key points to consider:
1. Initial stage: Initially, as the flame is applied to the beaker, the temperature of the water rises slowly. This is because the heat energy from the flame is being transferred to the water molecules, causing them to gain kinetic energy and move faster. However, the heat energy is being distributed among a large number of water molecules, resulting in a slow increase in temperature.
2. Rapid increase: As the heating continues, the temperature of the water starts to increase more rapidly. This is because the water molecules are gaining more energy from the flame, and the heat energy is being distributed more efficiently among the water molecules. As a result, the temperature of the water rises at a faster rate.
3. Boiling point: Eventually, the temperature of the water reaches its boiling point. At this point, the water starts to change from a liquid phase to a gaseous phase, forming water vapor. The boiling point of water is 100 degrees Celsius (212 degrees Fahrenheit) at normal atmospheric pressure. Once the water starts boiling, the temperature remains constant, even if the heat input continues.
Conclusion:
In conclusion, when a student heats water in a beaker to determine its boiling point, the temperature of the water first increases gradually as the heat energy is transferred to the water molecules. Then, as the heating continues, the temperature rises more rapidly. Finally, when the boiling point is reached, the temperature remains constant as the water starts to boil and convert into water vapor. This observation helps in determining the boiling point of water accurately.
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A student takes some water in a beaker and heats it over a flame for determining its boiling point. He keeps on taking its temperature reading. He observes that the temperature of the water :a)keeps on increasing regularlyb)keeps on increasing irregularlyc)first increases slowly, then decreases rapidly and eventually becomes constantd)first increases gradually and then becomes constantCorrect answer is option 'D'. Can you explain this answer?
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A student takes some water in a beaker and heats it over a flame for determining its boiling point. He keeps on taking its temperature reading. He observes that the temperature of the water :a)keeps on increasing regularlyb)keeps on increasing irregularlyc)first increases slowly, then decreases rapidly and eventually becomes constantd)first increases gradually and then becomes constantCorrect 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 A student takes some water in a beaker and heats it over a flame for determining its boiling point. He keeps on taking its temperature reading. He observes that the temperature of the water :a)keeps on increasing regularlyb)keeps on increasing irregularlyc)first increases slowly, then decreases rapidly and eventually becomes constantd)first increases gradually and then becomes constantCorrect 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 A student takes some water in a beaker and heats it over a flame for determining its boiling point. He keeps on taking its temperature reading. He observes that the temperature of the water :a)keeps on increasing regularlyb)keeps on increasing irregularlyc)first increases slowly, then decreases rapidly and eventually becomes constantd)first increases gradually and then becomes constantCorrect answer is option 'D'. Can you explain this answer?.
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