Leakage in a cooking gas cylinder is detected by
(A) Radio-isotopes
(B) Pouring soap solution on the surface and locating the gas bubbles
(C) Halide torch
(D) Pungent smell of mercaptans present in the gas
(A) Radio-isotopes
(B) Pouring soap solution on the surface and locating the gas bubbles
(C) Halide torch
(D) Pungent smell of mercaptans present in the gas