1.

Which of the following compounds is used as a refrigerants [Bihar CEE 1995]

A. \[N{{H}_{3}}\]
B. \[C{{H}_{2}}{{F}_{2}}\]
C. \[CC{{l}_{4}}\]
D. \[C{{H}_{3}}COON{{H}_{4}}\]
Answer» B. \[C{{H}_{2}}{{F}_{2}}\]


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