Solution a react with acid B(which gives greenish yellow gas on reacting with oxygen oxide agents like Pb3O4)to give white PPT C insoluble nitric acid but soluble in Ammonium hydroxide name A,B,C.
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Solution
Dear Student
A is silver nitrate The acid is HCl so it is B
A is AgNO3
AgNO3 + HCl = AgCl + HNO3
And C is AgCl.
AgCl is insoluble in nitric acid.