HOW WAS CHEMISTY PRACTICAL?

[lotto]

in chem 31 i too got sumwhere between 3% and 4% accuracy!!! and the enthalpy change i got around 2.9 sumthin KJ and divided it but the moles of the FA1 + FA2 and i got like 90 sumthing!!!

not sure if it waz correcr or not!! just did what i could at that time!!! LOLZ!!!

 

[WellWIshER]

damn!!! i am soo stupid..i got enthalpy of 70......somtihng..and i rote it as 7.1x10^4 j/mol :ugeek:

 

[umer_khurshid]

i am getting 98 % percentage difference

 

[cool]

this was the worst ppr of my life.i am not sure whether i can even get 15 or not..im very tensed about chem p2 and p1 coz im very bad in chem and i don't know how can i make up for my poor prac....
plz pray for me

 

[fullmetallegend]

is the cation in in paper 33 was in blue solution was copper or chromium????????????
plz answer

 

[WellWIshER]

is the cation in in paper 33 was in blue solution was copper or chromium????????????
plz answer

i think its copper.....BUT I THINK.....i might me rong

 

[Sabrina]

it was copper i am sure of that

 

[Shafaque]

yup it was copper !
completely sure!

 

[fullmetallegend]

in colorless solution in paper33 the cation was barium or ammonium???????????

 

[intel1993]

ammonium for sure................!! it evolves gas on heating on which damp red litmus turns blue....

 

[umer_khurshid]

cations-ammonium,copper,manganese,cobalt.

 

[hafsa shabbir]

chem practikal was da wrst guyz!!!! esp da Q1!!!!! and wat were da salts in Q2??? da sulphates and da carbonates one>??? :?: