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Questions  

Gas thermometers are more sensitive than liquid  thermometers because 

a
gases expand more than liquids
b
gases do not easily change their state
c
gases are much lighter
d
gases are easy to obtain

detailed solution

Correct option is A

since gas expands more than liquid on changing the temperature. thus a gas thermometer is more sensitive than a liquidthermometer as gas can expand more even in a very small change in temperature. so that measurement has to be precise.

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