Q. Which of the following gas is used in Refrigerator for cooling?
(A) Methane
(B) Ammonia
(C) Nitrogen
(D) None of these
The answer is: (B) Ammonia
Q. Which of the following gas is used in Refrigerator for cooling?
(A) Methane
(B) Ammonia
(C) Nitrogen
(D) None of these
The answer is: (B) Ammonia