O-LevelChemistryElectrolysis5070/11 · Oct/Nov 2017 · Q161 Mark
Three different solutions were electrolysed using inert electrodes. solution 1 aqueous sodium chloride solution 2 concentrated hydrochloric acid solution 3 dilute sulfuric acid Which solutions produce hydrogen at the negative electrode?
A1, 2 and 3
B1 and 2 only
C1 only
D2 and 3 only
✓ Correct answer
A: 1, 2 and 3
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