Question

Heavy water is manufactured

• A. by combination of hydrogen and heavier isotope of oxygen
• B. by electrolysis of water containing heavy hydrogen dissolved in it
• C. by repeated electrolysis of 3% aqueous solution of NaOH
• D. none of the ahove

Answer 1

Answer: (C)

Heavy water is manufactured hy repeated electrolysis of water (containing a little NaOH).