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Chemistry: Post your doubts here!
when u are given a diagram u always go for E(right)-E(left) on the right side we have the oxidation of Fe2+ going on so we'll do oxidation-reduction here. from the diagram we know that Cl is being reduced in the left cell as there is a gas supply in the apparatus there. Got it? -
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Chemistry: Post your doubts here!
the temperature of the solution drops. expl : the reaction is endothermic (as shown by the +ve sign) so it will absorb energy from its surroundings for bond breaking. I think that is the right answer... check the ms...? -
Mathematics: Post your doubts here!
thanksss :) i'll be sure to tag u wen i hav more problems :) -
Mathematics: Post your doubts here!
found those probzz :D .... solve em up now .. ahmed abdulla -
Mathematics: Post your doubts here!
here i'll just explain the procedure and see if u can do it then.... if not then i'll solve it out for u ... so here goes... the circle with centre O has the radius r ... however the circle with the center A has the radius AB. so first step will be to find AB (radius of the circle with center... -
Mathematics: Post your doubts here!
ummm i'll find them again.... forgot what they were XD :P i'll start doing papers again and come back to u :P -
Mathematics: Post your doubts here!
then find me some good ones and help me with this stuf.... how desperate am i that i find help for maths in some sucky notes _-_ on a serious note though... i did integration and differentiation recently from these starting from the very basics (P1) and working towards almost the end and felt... -
Mathematics: Post your doubts here!
here u go.... i don't remember where i found these notes (probably somewhere here on xpf) but they helped me quite a lot with my p1 and p3.... hope it helps... :) -
*Biology Paper 5 tips*
umm i'm not sure... i have used n-1 for chi too so can't say anything about wats more probable .... same thing holds for T test -
*Biology Paper 5 tips*
when u hav 1 set of sample to experiement then u use (n-1) if u have more than 1 then u use (n-1)+(n-1) Basically like if u have to find out if the fur colour is affected by pollution (just as a random example.. not an educated one :P ) then u use (n-1) because it is only one group of rabbits... -
Mathematics: Post your doubts here!
hahaha.... i am here to agree to that syed1995 :P and yeahhh where were u??! the century is not something u want to miss dear sir ... esp not in the T-20 season :P it's important!:P -
Mathematics: Post your doubts here!
hahha shelly :P gotcha ;) -
Mathematics: Post your doubts here!
oohh yeahh u were rigghhtt!! thanks a lot!! :) -
Mathematics: Post your doubts here!
I'm not getting the correct answer for question 1 ... although I used the exact method as given in the ms.... It's pretty simple reallyy... only if someone cud show the calculations bcz maybeI'm making an error there.... thankss... -
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CIE FINAL TIMETABLE JUNE 2014 is here
They have not yet announced a date but considering the previous years' experience, it will be around the second week of August. -
Mathematics: Post your doubts here!
oohh damn... well khair hai... no prob :) -
Mathematics: Post your doubts here!
I'll be posting up another paper with my problems if u guys are up for it :P ahmed abdulla and A star -
Mathematics: Post your doubts here!
ooh yeah okay.... take your time... i got the answer to a couple of questions already (see above) :P buss saturday ko paper hai uss se pehley if possible to bata dena :) otherwise... ah well fail to hona hi hai mocks mein :P