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Which of the following is known as freon which is used as a [DPMT 1982; CPMT 1979, 81, 89; AFMC 1995;Manipal MEE 1995; MP PET 1995, 2004] |
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Answer» Which of the following is known as freon which is used as a [DPMT 1982; CPMT 1979, 81, 89; AFMC 1995; Manipal MEE 1995; MP PET 1995, 2004] |
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