(A) 90% Hydrogen, 10% Nitrogen (X)
(B) 80% Nitrogen, 20% Hydrogen (X)
(C) 60% Nitrogen, 40% inert gases (X)
(D) None of these (✔)
Answers: None of these
(A) 90% Hydrogen, 10% Nitrogen (X)
(B) 80% Nitrogen, 20% Hydrogen (X)
(C) 60% Nitrogen, 40% inert gases (X)
(D) None of these (✔)
Answers: None of these
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