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13 Dec 2019
Which of the following statements about helium is inconsistent with its chemistry?
Select one:
A. It is one of the more reactive elements of its group.
B. A helium oxygen mixture is used as a deep-sea diving gas instead of compressed air.
C. In its liquid form it is used as a cryogenic coolant for superconductors.
D. Its melting point is -272.2°C and its boiling point is -268.9°C.
Which of the following statements about helium is inconsistent with its chemistry?
Select one:
A. It is one of the more reactive elements of its group.
B. A helium oxygen mixture is used as a deep-sea diving gas instead of compressed air.
C. In its liquid form it is used as a cryogenic coolant for superconductors.
D. Its melting point is -272.2°C and its boiling point is -268.9°C.
Elin HesselLv2
17 Dec 2019
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