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JAMB Chemistry 2009 Question 18

Question 18

Electrolysis

The acid used in electrolysis of water is dilute

  1. A.HNO3
  2. B.CH3COOH
  3. C.H2SO4
  4. D.HCl
Show the answer and explanation

Answer: C (H2SO4)

Explanation

Dilute H2SO4 makes water conduct; its sulphate ions are not discharged, so only H2 and O2 are produced.