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Author Topic: All doubts here!  (Read 54865 times)

Offline PeaceMaker

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Re: All doubts here!
« Reply #510 on: May 03, 2010, 01:25:13 pm »
So, im taking my IG'S and well, any pointers & tips on what to focus on/how to study mostly on these subjects...

Math, Chemistry, I.T & Physics.


Thank you for your time.
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Offline Saladin

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Re: All doubts here!
« Reply #511 on: May 03, 2010, 01:32:40 pm »
To be honest past-papers and hard work is the only thing that can get you through IG unscathed.
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Offline Snake

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Re: All doubts here!
« Reply #512 on: May 03, 2010, 01:39:18 pm »
Thx TMSD, I got 100% on my mock History test but that was just a mock.

@PeaceMaker I'm doing all those IGs except Chem. For Phy I revise notes, and do past papers. IT Pastpapers + notes. Math I Have a tutor and it is all about practice, practice,practice.

Did I Mention...
PracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePracticePractice
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-Once the game is over,the king and the pawn go back in the same box-

Offline Saladin

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Re: All doubts here!
« Reply #513 on: May 03, 2010, 04:36:18 pm »
I got an A* for history. And I think I got a 98% on my mock for history....
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Offline Snake

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Re: All doubts here!
« Reply #514 on: May 03, 2010, 04:56:30 pm »
Which year did you do and which topics?
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Offline Saladin

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Re: All doubts here!
« Reply #515 on: May 03, 2010, 06:29:14 pm »
Same as you. And I took them in MJ 09
« Last Edit: May 03, 2010, 06:32:59 pm by The Mysterious Dude »
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Offline Vin

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Re: All doubts here!
« Reply #516 on: May 04, 2010, 07:04:41 am »
hey im takin my boards this year..(NEXT WEEK!!)
so is it beneficial fo me to solve oct/nov papers also??
because i saw some1 sayin they aren't tht useful.. ???
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Offline Ghost Of Highbury

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Re: All doubts here!
« Reply #517 on: May 04, 2010, 07:13:11 am »
Yes try solving as many papers as possible.
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Offline Vin

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Re: All doubts here!
« Reply #518 on: May 04, 2010, 07:27:19 am »
ok sure Thanks
really tensed abt the boards.. do you mind giving me some tips fo the examination??
nyhting will help me i really need to be confident..
this is the first time im giving boards :P :P
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Offline Ghost Of Highbury

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Re: All doubts here!
« Reply #519 on: May 04, 2010, 07:38:45 am »
IF possible, for every subject make a checklist of things to remember. I had done this for chemistry.

The list contained the important parts which u had to memorize for e.g Oxidant.Reductant Color changes, cations/anions table, The temperatures and catalysts for each of the extraction etc.

Solve past papers, not only from IGCSE but also O level. Same portions, more questions, more practice.

Don't Freak out on the exam day, and check ur paper a thousand times b4 submitting.

Good luck.
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Offline Vin

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Re: All doubts here!
« Reply #520 on: May 04, 2010, 08:17:40 am »
thanks a ton!!!
really helpful.. :) :)
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Offline Saladin

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Re: All doubts here!
« Reply #521 on: May 04, 2010, 12:48:52 pm »
Please post all your doubts here, and I will do my best to answer them for you!!!!!
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Offline Ghost Of Highbury

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Re: All doubts here!
« Reply #522 on: May 04, 2010, 01:37:31 pm »
For the Latent Heat of Fusion , i remember this experiment.

Put 100g of ice in a beaker with a heater connected to a joulemeter.

Also, Put a thermometer inside the heater with its bulb touching the crushed ice.

Find how many joules are needed to just  melt the ice without making it hotter.

100g = 0.1Kg

Say the reading is 'x' joules.

Therefore , x joules are required to melt 0.1 Kg of ice, thus 10x joules are required to melt 1 Kg of ice. Finally, Check if it agrees  with the accepted value of 340 000 J/Kg.

Another and a more suitable way of finding the Latent Heat of Fusion is

Put Finely crushed ice inside a galss funnel and attach the funnel to a stand to hold it. The mass of the ice shud be known.

Inside the crushed ice, put a 40W heater , and have a beaker below the funnel to collect the water. Record the time for which the water is collected.

With all the values , calculate the latent heat of fusion using the formula 40 * Time = Latent heat * Mass of Ice.


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Offline saywhatsaykobe

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Re: All doubts here!
« Reply #523 on: May 05, 2010, 08:53:24 am »
I really need help with some drawings for bio and the exams are 6 days away so I'm really tense. I SUCK at drawings and I want to know the techniques or tips of getting the full marks.

I need help for the 2nd question in both papers. Basically what instruments do I use and how do I make every little corner of a diagram magnified in the right proportion???
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Offline Vin

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Re: All doubts here!
« Reply #524 on: May 05, 2010, 09:13:57 am »
its basically free hand drawing..use a pencil..i dont think u might need a scale in these kinds of drawings

always make sure u draw an image larger thn the original

if they ask u to draw a perfect magnification of 2x or 3x
thn theres a method...i dunno whether its right to use in igcse because i'd used it in my competitive drawing exams

what u do is draw straight lines on the diag. using a scale to make a grid..( 1cm wld do)
draw another grid of whteva scale givn in ques papr..suppose 2x or twice so use 2cm to draw a grid in the blank space..

start drawing the picture on your 2nd grid exactly as the contents as the 1st one.. to fit the right square
jus like those puzzles u plyd wen small :P  

but this will take practice and u might lose a lot of time!!
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