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Confusion Force.............

well its obvious abt hydrogen bonding b/w H2o molecules... pd-pd and id-id interactions come under the heading of van der waals forces, u are confused which is better to use van der waals forces or pd-pd interaction... answer is examiner gives marks for both of them(check marking scheme)... but...
- fahadii92
- Post #19
- May 14, 2011
- Forum: A-Levels
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chemistry AS and M1 questions

two more Qs plz , first one is that do dilute and conc. hot K2CR2O7 reacts with alkenes just like potassium do ?? secondly does we have to add H positive ion in hydrolysis reaction???
- fahadii92
- Post #2
- May 13, 2011
- Forum: A-Levels
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chemistry AS and M1 questions

Aoa! 1.when examiner asks abt reagent we have to mention in general like H/Cr2O7 2- or can we mention potassium dichromate 7??? 2.is ligand in our course? 3.does use of electrostatic force b/w ions and electrons or mettallic bond better words for forces in metals , bcuz examiners always mentions...
- fahadii92
- Thread
- May 13, 2011
- Replies: 21
- Forum: A-Levels
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most difficult sitautions

Assalam o alaikum!hope u ppl are doing well for upcoming exam.! actually i wanted some, one of the most difficult questions of chemistry, physics AS and math p1 and m1. so i can know a little bit where i stand... please help me in this regard by telling links of exam papers before 2005 of which...
- fahadii92
- Thread
- May 3, 2011
- Replies: 0
- Forum: A-Levels
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calculator help needed!

ya bro i noe abt rad and deg . But i am asking if to put ur calculator in COMP , SD OR LR mode. Wat are these for?
- fahadii92
- Post #4
- Apr 28, 2011
- Forum: A-Levels
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calculator help needed!

Assalam alaikum! I am appearing in my AS subjects in this session inshallah. The prob is for math and physics paper i am confused that in which mode shuld i put my calculator ? I noe for answer in degrees u use deg mode etc but wat abt sd, comp, lr normal fix, sci mode?? btw i ve fx-350 W.
- fahadii92
- Thread
- Apr 28, 2011
- Replies: 5
- Forum: A-Levels
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serious thread abt calculator

is casio fx-350W allowed
- fahadii92
- Post #56
- May 31, 2010
- Forum: O-Levels / GCSEs / IGCSE
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Calculator for olevel

so i can i write fx-991MS on my answer sheet as CIE requested on chemistry paper??? AND are u sure??
- fahadii92
- Post #7
- May 19, 2010
- Forum: O-Levels / GCSEs / IGCSE
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Calculator for olevel

991MS solves equations so its a programmable one ???
- fahadii92
- Post #5
- May 19, 2010
- Forum: O-Levels / GCSEs / IGCSE
F
Calculator for olevel

can anybody tell me which type of calculator may be used in olevel examination. i used casio fx-MS991.i am confused please guide me..
- fahadii92
- Thread
- May 18, 2010
- Replies: 12
- Forum: O-Levels / GCSEs / IGCSE

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