Which of the following chemicals is used in the manufacturing of Refri – McqOptions

MCQOPTIONS

1.	Which of the following chemicals is used in the manufacturing of Refrigerators?
A.	Hexachloro carbons
B.	H2SO4
C.	Chlorofluoro carbons
D.	Suphur hexafluoride
Answer» D. Suphur hexafluoride

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