Leakage in a cooking gas cylinder is detected by___________________?

(A) Radio-isotopes (X)
(B) Pouring soap solution on the surface and locating the gas bubbles (X)
(C) Halide torch (X)
(D) Pungent smell of mercaptans present in the gas ()

Answers: Leakage in a cooking gas cylinder is detected by Pungent smell of mercaptans present in the gas.