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Biology; Chemistry; Physics: Post your doubts here!

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Hey guys,
I am a private candidate and I will be giving physics in OCT/NOV. I have completed the syllabus and I have just started doing past papers. My question is will these remaining months be enough to achieve a good grade? Also I will appreciate any advice. One more thing, a friend of mine told me that papers of OCT/NOV are harder. Is it true????
O'levels physics is not that hard when v read the syllabus however questions can b very tricky so pay attention towards that. If u pay full attention then time is no problem. And this all is useless talk that oct nov is easier/harder or vice versa. its just random and nothing is difficult or hard as long as u r prepared. but yes questions myt sumtimes seem easy while in reality they r tricky. Good luck! :)
 
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To be honest...it will be hard if you are unprepared..or if the exam contains the questions from a topic you find difficulty in...so my advice is Be very thorough...go through every topic...and master them one by one...it is sometimes useful in physics to study a little bit of advanced stuffs....it may or may not help you....as different people have different ways of studying...If you want good grades in Physics...Read the book Complete Physics by Stephen Pople...and do all the questions in there...this will make sure you are ready for most basic questions...If you do a lot of MCQ questions you will be quite thorough in physics...I suggest doing IGCSE, GCSE O level papers of Physics from 1990 - 2011 this will make sure you are very familiar with all types of questions...In physics its rare to see repeated calculation questions...so make sure you know how to use formulas..and which formulas to use....for theory paper understand every concept...reading won't help it..make sure you understand what you read...and try to explain it in your own words...use scientific words as much as possible...Think of it as explaining it to a 5th grader .. so you can make sure you explained it well enough :D! That's all my suggestions and advice! Nothing is hard if you are motivated to work hard :D

Thanks a TON! I will follow what you said and prepare. You have been a great help.
 
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O'levels physics is not that hard when v read the syllabus however questions can b very tricky so pay attention towards that. If u pay full attention then time is no problem. And this all is useless talk that oct nov is easier/harder or vice versa. its just random and nothing is difficult or hard as long as u r prepared. but yes questions myt sumtimes seem easy while in reality they r tricky. Good luck! :)

Thank you for your help :) I will tell my friend what an idiot he is for telling me the OCT/NOV papers are hard. :D
 
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Thank you for your help :) I will tell my friend what an idiot he is for telling me the OCT/NOV papers are hard. :D

this is like a mental bloc or something that almost all O Level giving candidates some how have that Oct/Nov papers are difficult in reality its just a random psychological bloc nothing else just prepare your best and be ready :D
 
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what do u wanna discuss as i gave this years paper !!
Oh is there a discussion thread? well since I couldn't find any marking schemes ofcourse they are not out even...I just found it a bit tough ! :D! so wanted to see all the other geniuses answers...to get reasonable answers :D
 
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Oh is there a discussion thread? well since I couldn't find any marking schemes ofcourse they are not out even...I just found it a bit tough ! :D! so wanted to see all the other geniuses answers...to get reasonable answers :D

Well there are discussion threads but they wont have answers to everything it would be just like u gave the paper and after that u discuss with your friends what u found hard asking those answers only so its like that :D
 
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Thank you for your help :) I will tell my friend what an idiot he is for telling me the OCT/NOV papers are hard. :D
:) nd as an aditional information let me tell u dat a teacher told me dat he askd in one of the meetings from CIE people abt the same doubt nd they also said that its nothing like that cz they dunt hv any grudge against either of the sessions. in fact they said that they make questions of 5 years at one time and then jumble them up and give them in exams. so any chance of deliberately giving hard or easy questions to either of the session is just illogical. i hope u r tension free abt it now...?
 
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:) nd as an aditional information let me tell u dat a teacher told me dat he askd in one of the meetings from CIE people abt the same doubt nd they also said that its nothing like that cz they dunt hv any grudge against either of the sessions. in fact they said that they make questions of 5 years at one time and then jumble them up and give them in exams. so any chance of deliberately giving hard or easy questions to either of the session is just illogical. i hope u r tension free abt it now...?

Yep, Im just going to do study hard and do my best. Thanks for the additional info. :)
 
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scouserlfc: Man I think everyone is out on vacations and you can only help me in solving this Chemistry MCQ:
Q. Silver ions react with chloride ions.
Ag+ + Cl- -----> AgCl
It was found that 10 cm3 of a 0.05 mol/dm3 solution of the chloride of a metal, X, needed 10 cm3 of a 0.1 mol/dm3 silver nitrate solution for complete reaction. What is the formula of the chloride?
A. X2Cl
B. XC
C. XCl2
D. XCl3
The answer is in fact C since when calculating the number of moles of chlorine of metal X as follows : 10*0.05/1000 = 0.0005 moles and the number of moles of silver nitrate is 10*0.1/1000 = 0.001. The valency of X is 0.001/0.0005 which is equal to 2. By cross multiplication, the formula is XCl2. Thanks
 
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i m realy confused about the electricty chapter inn the physics and mole in chemistry and genes in biology anyone ccan help me .... pleaseeeeeeeeeeeeeeeee.........
 
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:) nd as an aditional information let me tell u dat a teacher told me dat he askd in one of the meetings from CIE people abt the same doubt nd they also said that its nothing like that cz they dunt hv any grudge against either of the sessions. in fact they said that they make questions of 5 years at one time and then jumble them up and give them in exams. so any chance of deliberately giving hard or easy questions to either of the session is just illogical. i hope u r tension free abt it now...?[/quote
If what you say is true, then i am relieved!!
 
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A person exerts a horizontal force of 500N on a box, which also experiences a friction force of 100N. How much work is done against friction when the box moves a horizontal distance of 3 m?
Is the answer 1200 J or 300 J?
As you know work done= force * perpendicular distance. If you just look at the June97 question 9 its basically the same thing. So work done against friction= the distance* frictional force which is equal to= 3*100=300J. Thanks
 
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yea b relieved cz thats wat a teacher told me recently from a CIE meeting. and after all its just common sense that CIE is equally neutral to both sessions :)
 
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AOA...i recently heard that there will be no more combined sciences papers...is that true...???...please help me...em confused..!!
 
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i m realy confused about the electricty chapter inn the physics and mole in chemistry and genes in biology anyone ccan help me .... pleaseeeeeeeeeeeeeeeee.........

Just by telling Electricity we wouldn't know because its too broad..are you actually having problems with the whole main topic? or do you have specific areas?! and Chemistry moles what do you not know about it?
 
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