Chemical formula of refrigerant and its numerical Designation

Question

Match List – I (Chemical formula of refrigerant) with List – II (Numerical Designation) and select

the correct answer

    List – I                  List – II

A. NH3                     1. 12

B. CCl2F2                2. 22

C. CHClF2               3. 40

D. CCl2FCClF2       4. 113

                                5. 717

 

Codes:          A     B     C     D

             (a)    4     1      5      2

             (b)    5     3      2      4

             (c)    4     3      5      2

             (d)    5     1      2      4