|
‘Freon’ used as refrigerants is chemically known as |
|||
|
(a) |
chlorinated hydrocarbon |
(b) |
fluorinated hydrocarbon |
|
(c) |
chlorofluoro hydrocarbon |
(d) |
fluorinated aromatic compound |
|
‘Freon’ used as refrigerants is chemically known as |
|||
|
(a) |
chlorinated hydrocarbon |
(b) |
fluorinated hydrocarbon |
|
(c) |
chlorofluoro hydrocarbon |
(d) |
fluorinated aromatic compound |