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Mercury is a poor conductor of heat.
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Fahrenheit scale is more sensitive that the Celsius scale.
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Digital thermometers are mainly used to take body temperature.
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Match the following :
| 1. | Mercury | a. | Maximum minimum thermometer |
| 2. | Weather report | b. | -173.15 degree C |
| 3. | 32degree F | c. | Opaque and shining |
| 4. | 100 K | d. | 0 degree C |
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What is the boiling point of mercury?
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What is the freezing point of alcohol?
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Mention the use of laboratory thermometers.
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Name the principle which is used in a thermometer.
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Mention any two precautions to be followed while using a clinical thermometer.
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Why mercury or alcohol is used in thermometers?
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We are advised to avoid keeping the clinical thermometer in the sun or near a flame. Why?
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Explains the properties of mercury.
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Explain the construction and working of the clinical thermometer.
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Write a note on the laboratory thermometer.
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Explain how do you determine the temperature of hot water using a laboratory thermometer?
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write a note on a digital thermometer.
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Problems for practice:
If 50 coulomb of electric charge flows through a wire in five minutes, calculate the current in the wire?
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The change of state of a substance from solid to liquid and liquid to gas is ______.
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Keeping a stone in sunlight for few hours is ______.
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Which of the following is not a physical change?
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