Which is not a refrigerant?$? – McqOptions

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1.	Which is not a refrigerant?$?
A.	SO‚Äö√á√á
B.	NH‚Äö√á√â
C.	CCl‚Äö√á√áF‚Äö√á√á
D.	C‚Äö√á√áH‚Äö√á√ëCl‚Äö√á√á
Answer» E.

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