AS BIOLOGY AND CHEMISTRY PRACTICAL PAPER 31 HELP REQUIRED

[sweetyrox]

CAN ANYONE PLEASE GIVE SOME TIPS ON WHAT WILL BE COMING IN THE BIOLOGY AND CHEMISTRY AS PRACTICAL PAPERS? PAPER 31...I HAV MY PRACTICAL EXAMS ON TUESDAY AND I M REALLY CONFUSED..

 

[filza94]

Re: AS BIOLOGY AND CHEMISTRY PRACTICAL PAPER 31 HELP REQUIRE

FOR Chemistry PAPER 33!!!!!!!!!!

hydrated ammonim salt titrated with KMnO4
usual salt analysis
one thermal question

We have to titrate ammonium nitrate with KMn04 or would we need to oxidize potassium iodide in the

presence of ammonium nitrate and then titrate the resulting solution with sodium thiosulphate? :|

see question no.1 in june2008-31
a similar question is expected!