0620 CHEMISTRY HELP!!!!

[opis afhaggot]

can you please tell me what i need to know about solubility for the alternative to practical test? paper 63.

 

[opis afhaggot]

bump

 

[Jau Kumar]

known amounts of solute and solvent
Stir
Warm to temp
Filter
Dry and weigh residue
Work out solubility from residue

 

[Prithvi Krishna]

i can't exactly explain but refer to this notes..... it has everything required for paper 6

 

[Albus Dumbledore]

Guys, please help me!! Chem p6 tomorrow. What is the test and result for checking if something is ethanol. The mark scheme says lighted splint relights but that's not possible as when oxygen is produced a GLOWING splint relights. Another possibility is hydrogen, which causes a LIGHTED splint to POP. not relight! PLEASE HELPP!!

 

[Crusherboyz]

Guys, please help me!! Chem p6 tomorrow. What is the test and result for checking if something is ethanol. The mark scheme says lighted splint relights but that's not possible as when oxygen is produced a GLOWING splint relights. Another possibility is hydrogen, which causes a LIGHTED splint to POP. not relight! PLEASE HELPP!!

well when reacted with a carboxylic acid in an acidic medium, it would form a sweet smelling ester...

 

[To2a Bahaa]

Can anyone please tell me how many marks I lose and still get an A* ?

 

[Albus Dumbledore]

Can anyone please tell me how many marks I lose and still get an A* ?

CIE NEVER NEVER gives away its secret of how a candidate gets an A*. You can get a 92% and still get an A but a 85%band you may get an A*. To get that star over your A, you have to have precise answers. It depends on how 'to the point you are' That's the beauty of cie, kind of a disadvantage for us!

 

[To2a Bahaa]

CIE NEVER NEVER gives away its secret of how a candidate gets an A*. You can get a 92% and still get an A but a 85%band you may get an A*. To get that star over your A, you have to have precise answers. It depends on how 'to the point you are' That's the beauty of cie, kind of a disadvantage for us!

Yes exactly " Beauty of cie and a disadvantage for us"
Thanks alot for your reply

 

[Albus Dumbledore]

Yes exactly " Beauty of cie and a disadvantage for us"
Thanks alot for your reply

Welcome, just wish me luck for tomorrows exam, need more of lady luck. Men are terribly unlucky!

 

[To2a Bahaa]

Umm good luck Hard work gets paid, you'll do great!

 

[Mohammed Raza]

Any question related to organic chemistry..... im ready to help... dont hesitate to ask... any question at all......

 

[sweetiepie]

http://www.xtremepapers.com/community/threads/atp-preparation.12572/
hope this helps