What Is Not a Commercial Method for the Preparation of Hydrogen

question 72

Multiple Choice

What is not a commercial method for the preparation of hydrogen gas?

• A)H₂O(g)+ CH₄(g)→ CO(g)+ 3 H₂(g)
• B)2 H₂O(l)→ 2 H₂(g)+ O₂(g)
• C)H₂O(g)+ C(s)→ CO(g)+ H₂(g)
• D)4 H₂O(g)+ 3 Fe → Fe₃O₄(s)+ 4 H₂(g)

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