Essential Chemistry for IGCSE - Chemical Changes (Section 2 - No. 31)
In a hydrogen fuel cell, which ion is the charge carrier in the acidic electrolyte?
Hydroxide (OH⁻)
Hydronium (H₃O⁺)
Hydrogen (H⁺)
Oxide (O²⁻)
Explanation
In an acidic electrolyte, hydrogen ions (H+) are the charge carriers.
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