Leakage in a cooking gas cylinder is detected by

1.	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.
Answer» E.

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Leakage in a cooking gas cylinder is detected by

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