*/*_A constant volume gas thermometer employing __________ is used to – McqOptions

MCQOPTIONS

1.	/_A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0¬¨‚àû C) temperature.?
A.	Helium
B.	Hydrogen
C.	Nitrogen
D.	None of these
Answer» B. Hydrogen

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