Classyfied SG my teacher say will come out kmno4... actually all the teachers already know of the pratical questions liao...juz that they dun want to say
sgboy2004 SG yah...cos the lab pple got to prepare the reagents... and from there, they will have an idea of the test items liao go bride your chem cher lah
jaydunkfull SG i totally havent study! and im already so tired, no energy to study ler somebody help me!
jaydunkfull SG really come out kmno4! a bad thing too, cos its difficult read off the volume anyway, the titration value should be about 25.5-25.7 right? and for qa did y’all get a lot of pale yellow ppt for the observation part?
vice_edge SG my teachers say ans is 20.7 ~ 21.1.. extension was easy whee.. my titration all 3 reading 21.1 ha
Classyfied SG UP THERE wtf man...... 20.1??? my teachers say its 25.2 the correct ans..i got 25.4...heng in range can get full marks. =DDD
TwinTurbo_Supra SG dammit my QA all those pale yellow i say white sia. but the tests for R 5 marks only leh. the ppt come out quite lag so i just wrote it there to play safe.
threeseven SG there is no such thing as a CORRECT answer. the reason why you guys got different answers is due to different conditions.that’s why your teachers have to do it too.your classes’ answers will be marked with respect to your following teacher’s results…