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  1. ZainH

    Physics, Chemistry and Biology: Post your doubts here!

    Definition from my book: The relative formula mass of a substance in grams. Definition from mark scheme: -Avogadro’s Number of particles -Formula mass in grams -6 x 10^23 particles accept atoms, ions and molecules -As many particles as there are carbon atoms in 12.00g of 12Ca As you...
  2. ZainH

    Physics, Chemistry and Biology: Post your doubts here!

    That is the official definition.. "A mole is 6.02x10^23 particles of a substance" Credits gotta be given where it's due, and besides..if I didn't give credit, people would think it was my answer x)
  3. ZainH

    A question that has come up twice in paper 6

    Lol it happens to all of us :z
  4. ZainH

    Are there any specific formulas/topics to learn for physics 6 ?

    Formula sheet? Mind posting.. just so I can go over which ones I know x)
  5. ZainH

    TECHNICALLY, I'm done with IGCSEs in 2 days.. I mean, seriously.. whose going to study for MCQs? x)

    TECHNICALLY, I'm done with IGCSEs in 2 days.. I mean, seriously.. whose going to study for MCQs? x)
    • ZainH
    • Profile post
  6. ZainH

    Physics, Chemistry and Biology: Post your doubts here!

    A mole if 6.02x10^23 particles of any substance. It's basically a unit of measurement if you think about it, like a dozen is = 12, a mole is = 6.02x10^23 Hope this helped x)
  7. ZainH

    Physics, Chemistry and Biology: Post your doubts here!

    Not my answer, found this in another thread where a person asked the same question. "Mark the centre of the cylinder, measure the cylinder. After the measurement, place it on the metre rule. It should cover up the area we measure (for eg. 2cm) So it'll cover the area between 8 - 1o and or 9...
  8. ZainH

    A question that has come up twice in paper 6

    The reading on the thermometer is room temperature , 22 degrees. It says the water was at room temperature and it rises to 36 degrees, and you have to calculate the temperature rise. 36-22 = 14 Pretty simple x)
  9. ZainH

    A question that has come up twice in paper 6

    Lol I think you just explained the answer to yourself :z Your welcome x)
  10. ZainH

    A question that has come up twice in paper 6

    Its 100-36, as 100 degrees is the temperature the metal was at before being placed in the water, and it caused the water to rise to a temperature of 36 degrees.
  11. ZainH

    A question that has come up twice in paper 6

    If they asked this last year, I doubt it'll show up this year. But either way, could you prove a link to the 2011 paper , and question number x) ?
  12. ZainH

    Physics, Chemistry and Biology: Post your doubts here!

    Yeah, I got it! Thanks x)
  13. ZainH

    Physics paper 6 2012 + chemistry paper 2 2012 discussions

    Oh wow, didn't realize it was a card with the same LENGTH and WIDTH of the previous ones.. My bad :whistle:
  14. ZainH

    Physics paper 6 2012 + chemistry paper 2 2012 discussions

    Got a physics paper 6 question. http://www.xtremepapers.com/papers/CIE/Cambridge%20IGCSE/Physics%20(0625)/0625_s06_qp_6.pdf Q1)d)
  15. ZainH

    Physics, Chemistry and Biology: Post your doubts here!

    Got a physics paper 6 question. http://www.xtremepapers.com/papers/CIE/Cambridge%20IGCSE/Physics%20(0625)/0625_s06_qp_6.pdf Q1)d)
  16. ZainH

    Chemistry Doubts: IGCSE Paper 3

    Thank you kind sir x)
  17. ZainH

    Physics, Chemistry and Biology: Post your doubts here!

    1993!??! What the hell are you doing solving past papers from 1993? I didn't even know they existed.. Syllabus was MUCH MORE different back then lol.. start solving from around 2006.
  18. ZainH

    Chemistry Doubts: IGCSE Paper 3

    Could someone with a few minutes to spare, post the SYMBOL equation for the reduction of Iron (III) oxide to iron. Mark scheme just says "Correct equation" .. Need to make sure mine's correct x)
  19. ZainH

    Chemistry Doubts: IGCSE Paper 3

    LOL WHAT? You could solve half of an AS paper?! Even if it's core that makes you a GENIUS. My case was worse >.<
  20. ZainH

    Chemistry Doubts: IGCSE Paper 3

    Lol.. chemistry's literally killing me.. On to the next paper! (Hopefully EXTENDED this time >____> )
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