Dry ammonia gas was passed over heated lead (II) oxide and the products passed over anhydrous copper (II) sulphate as shown in the diagram below.

      

Dry ammonia gas was passed over heated lead (II) oxide and the products passed over anhydrous copper (II) sulphate as shown in the diagram below.
38dryammoniagas4202017739.jpg
State:
a) Two observations made in the combustion tube
b) The property of ammonia gas in this experiment.

  

Answers


John
a) Lead (II) oxide turned from brown to grey

Anhydrous copper (II) sulphate turned from white to blue

b) Ammonia is a reducing agent since it reduces lead (II) oxide to lead metal
johnmulu answered the question on April 20, 2017 at 06:26


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