Ammonia leakage in the refrigeration system is detected by

1.	Ammonia leakage in the refrigeration system is detected by
A.	sulphur stick, which on detection gives white smoke.
B.	using chemical reagents.
C.	its smell.
D.	soap solution.
Answer» B. using chemical reagents.

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Ammonia leakage in the refrigeration system is detected by

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