A type of freon called _______ was/were once very widely used as aerosol…
PYQ SSC JE (Junior Engineer) 2022
A type of freon called _______ was/were once very widely used as aerosol sprays and refrigerants.
- A.
Bromoethanes
- B.
Chlorofluorocarbons
- C.
Bromopropanes
- D.
Chloroform
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