Na + H2O → Na2O + H2 In this reaction, what can you say about water?
Water is being reduced.
Water is acting as an acid.
Water is acting as an acid and it is being reduced.
Cannot be determined.
Since sodium displaces hydrogen, water is acting like an acid. Since, hydrogen is being removed from water, it is being reduced.
Ammonia gas dissolves in water to give ammonium ion.In this reaction water acts as an ___ .