99.5% purity oxygen is used in (A) Cutting and welding by oxy-acetylene flame (B) Hospitals for medicinal purposes (C) Gas masks and artificial breathing apparatus (D) All (A), (B), and (C)

99.5% purity oxygen is used in
(A) Cutting and welding by oxy-acetylene flame
(B) Hospitals for medicinal purposes
(C) Gas masks and artificial breathing apparatus
(D) All (A), (B), and (C)
by

1 Answer

Answer :

(D) All (A), (B), and (C)
by

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