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Physics GK · Q156

Heat and Thermodynamics

Competitive Exams · Physics GK · question 156

Q156

Assertion (A): Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons. Reason (R): Ammonia can be liquefied at ambient temperatures at low pressures.

A.
Both (A) and (R) are true and (R) is the correct explanation of (A)
B.
Both (A) and (R) are true, but (R) is not the correct explanation of (A)
C.
(A) is true, but (R) is false
Answer
D.
(A) is false, but (R) is true

Answer: Option C

Solution

Answer: Option C
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