## Question

###### In Fajan'$ method what is the function of dextrin? (LpointlWhy you use ImL of indicator not for example 3-4 drops of indicator? (LpointlWrite all the chemical equations for the adsorption indicator Fl- with AgCl precipitate: (ZpointshIn Volhard's method what is the function of adding nitro benzene and HNOz? (2points}

In Fajan'$ method what is the function of dextrin? (Lpointl Why you use ImL of indicator not for example 3-4 drops of indicator? (Lpointl Write all the chemical equations for the adsorption indicator Fl- with AgCl precipitate: (Zpointsh In Volhard's method what is the function of adding nitro benzene and HNOz? (2points}

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