*$_Sub-zero temperature (< 0¬¨‚àûC) can be measured by a constan – McqOptions

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1.	*$_Sub-zero temperature (< 0¬¨‚àûC) can be measured by a constant volume gas thermometer employing?
A.	Helium
B.	Nitrogen
C.	Hydrogen
D.	None of these
Answer» B. Nitrogen

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