How is heavy hydrogen manufactured ?

1.	How is heavy hydrogen manufactured ?
Answer» Solution :It is manufactured by the electrolysis of HEAVY water containing a little of `H_(2)SO_(4)`or `NaOH` to make it a good conductor of electricity . `UNDERSET("Heavy water")(2D_(2)O(l)) overset("Electrolysis")to underset(("At cathode"))(2D_(2)(G))+ underset(("At ANODE"))(O_(2)(g))` In the laboratory , it can be prepared by the action of heavy water on sodium metal. `2D_(2)O(l) + 2Na(s)to 2NaOD (aq) + D_(2)(g)`

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