Which of the Following Elements Could Be Prepared by Electrolysis

question 37

Multiple Choice

Which of the following elements could be prepared by electrolysis of the aqueous solution shown?

• A) sodium from Na₃PO₄(aq)
• B) sulfur from K₂SO₄(aq)
• C) oxygen from H₂SO₄(aq)
• D) potassium from KCl(aq)
• E) nitrogen from AgNO₃(aq)

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