Question:-
Match List I (Refrigerant) with List II (Chemical constituent) and select the correct answer :
List I
A. R – 12
B. R – 22
C. R – 717
D. R – 113
List II
1. Trichlorotrifluorethane (C2Cl3F3)
2. Difluoro monochloro methane (CHF2Cl)
3. Ammonia (NH3)
4. Difluoro dichloro methane(CCl2F2)
Option (A)
ABCD
3241
Option (B)
ABCD
4231
Option(C)
ABCD
3142
Option(D)
ABCD
4132
Correct Option:
(B)
Question Solution:
R-12 ® CCl2Fe
R-22 ® CHF2Cl
R-717 ® NH3
R-113 ® CCl2FCC/F2
question-answer-faq-9413