Diphenyl Amine Reagent (DPA) used for identification of explosive is prepared for dissolving 1gm of diphenylamine in 100 ml of which of the following:
A.) Concentrated Nitric Acid
B.) Concentrated Hydrochloric Acid
C.) Concentrated Sulphuric Acid
D.) Concentrated Acetic Acid
Answer:C
Diphenyl Amine Reagent (DPA) used for identification of explosive is prepared for dissolving 1gm of diphenylamine in 100 ml of which of the following:
A.) Concentrated Nitric Acid B.) Concentrated Hydrochloric Acid C.) Concentrated Sulphuric Acid D.) Concentrated Acetic Acid