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State three advantages of using mercury in a thermometer liquid.

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Question

State three advantages of using mercury in a thermometer liquid.
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Solution

Three advantages of using mercury as a thermometric liquid:
(i) Mercury is a good conductor of heat.
(ii) Mercury has a high coefficient of expansion thus is sensitive to the smallest change in temperature.
(iii) Freezing points is very low and the boiling point is high.

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Chapter 5: Heat and Energy - Thermometry [Page 209]

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Frank Physics Part 1 [English] Class 9 ICSE
Chapter 5 Heat and Energy
Thermometry | Q 12 | Page 209
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