Proteins give white precipitate with Millon's regent, which is -

Cu^(2+) ions give white precipitate with :

Cu^(2+) ions give white precipitate with :

Which one of the following compounds will give white precipitate with tollen's reagent ?

A white salt gives a white precipitate with barium chloride solution which is insoluble in ammonia and hot water. The salt is

Which will give a white precipitate with AgNO_3 in