_________________ extinguishes fire by dilute inflammable mixtures of – McqOptions

MCQOPTIONS

1.	_________________ extinguishes fire by dilute inflammable mixtures of air and flammable gases or vapours to proportion below their flammable limits.
A.	Water vapour
B.	Carbon monoxide
C.	Carbon dioxide
D.	Hydrogen sulphide
Answer» D. Hydrogen sulphide

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