how was chem atp?

[rammy97]

the lines of my graph intersected at 10, is that ok? (last question..please answer !!!!) :O

yeah same here

 

[afrolina]

Alhamdulillah!

 

[Tuba noor]

OMG Mine too like EXACTLY!! Hope thts right *fingers crossed*

in oct/nov2007 paper there is same question and it is written 56 and 44 in this paper
so i think it is correct , i wrote the same

 

[rammy97]

in oct/nov2007 paper there is same question and it is written 56 and 44 in this paper
so i think it is correct , i wrote the same

awesome

 

[Muhammad Saad :)]

Does, ecf applies on the last parts of the question if we noted wrong readings from the graph?and my graph was a qainchi type design

 

[asadalam]

What was the % of the mole question?

Also, did U choose 0.06 moles or 0.05 moles (and 0.05 moles or 0.03 moles in below one) for the first question?

Did the test tube have to be sealed or open?

What was methyl orange colour?

79.5
0.05 and 0.03 as they were limiting
which test tube?
red to yellow

 

[Laibaaa]

Silver bromide (AgBr), a soft, pale-yellow, water insoluble salt

Was this the colour ?

I got 78% in moles wala question. :'( is it okay?
And yes thats correct. I wrote creamcoloured and thats okay too I guess.

 

[Hamza_Akmal]

79.5
0.05 and 0.03 as they were limiting
which test tube?
red to yellow

orange to yellow!
red is wrong!
zinc sulfate and water is neutral and methyl orange is orange in neutral solution guys!!

 

[Dark Destination]

orange to yellow!
red is wrong!
zinc sulfate and water is neutral and methyl orange is orange in neutral solution guys!!

No, red, because Sulfuric acid was added in excess. And that sulfuric acid was to be neutralized by the addition of Sodium Hydroxide from burette.

 

[asadalam]

orange to yellow!
red is wrong!
zinc sulfate and water is neutral and methyl orange is orange in neutral solution guys!!

Honey did you read the question?It said that they added sulfuric acid and added in brackets (an excess) thats why solution would be acidic,and how would the naoh react if there wasnt any acid in the flask?

 

[rammy97]

Honey did you read the question?It said that they added sulfuric acid and added in brackets (an excess) thats why solution would be acidic,and how would the naoh react if there wasnt any acid in the flask?

yes thats right.. but honey? lol

 

[Laibaaa]

Soo pink/red to yellow is correct?
and what about 78% for the moles question, is that correct too? :|

 

[Hamza_Akmal]

Honey did you read the question?It said that they added sulfuric acid and added in brackets (an excess) thats why solution would be acidic,and how would the naoh react if there wasnt any acid in the flask?

Why do I even bother to give the papers...

 

[Ram97]

Is there ecf in titration qs. cuz i messed up the last parts

 

[Dashing Cancerian]

it was the easiest paper and Alhamdolillah went awesome.. And those who are complaining about time.. Seriously are u kidding me..?I completed my paper half an hour earlier.. Hope I get 59.. Coz just realized one mistake other is flawless..

 

[***amd***]

cheemiyayi ta'leemiyaat was good Alhamdulillah 6_6 except for 2 marks of that observation thingy.

 

[***amd***]

Is there ecf in titration qs. cuz i messed up the last parts

i guess, yes there is ecf

 

[muhammadali233]

mine was 56 44

i am not cie, i can be wrong
or viceversa

 

[muhammadali233]

after going through the thread i think .......
I made huge blunders!

 

[***amd***]

mine was 56 44

hi5! same here