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Search results

  1. Saad Mughal

    Chemistry P1 and P2 today

    Obviously. I wrote the same.
  2. Saad Mughal

    Chemistry P1 and P2 today

    Yeah.
  3. Saad Mughal

    Chemistry P1 and P2 today

    If you consider 100g of urea and ammonium nitrate then the moles of nitrogen qould be unequal. This is what i thought. It's incorrect. I've gotten 3 mcq's wrong and I think a 2 mark part in theory. :cry:
  4. Saad Mughal

    Chemistry P1 and P2 today

    I wrote higher and higher because of the formula Moles = Mass/Mr. I guess this is wrong.
  5. Saad Mughal

    Chemistry P1 and P2 today

    What was the answer to that?
  6. Saad Mughal

    Chemistry P1 and P2 today

    Am I the only one that got this right? o_O
  7. Saad Mughal

    Chemistry P1 and P2 today

    You don't get them. You have to take his coaching to get them I guess. But, I don't rely on such things, good ol' hard work can at least make you proud of yourself. And yeah, he has some kind of sources of getting the papers leaked before the actual paper day.
  8. Saad Mughal

    Chemistry P1 and P2 today

    You're the first person I've come across that has gotten it right. Congrats. :P
  9. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    Your attachments are not working.
  10. Saad Mughal

    Chemistry P1 and P2 today

    O'level. Uska paper humaisha lagta hai. Patanhi kesy.
  11. Saad Mughal

    Chemistry P1 and P2 today

    Rate of Diffusion.
  12. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    4. Density = Mass/Volume. Density = 27/30 Density = 0.9 g/cm3. 6. The mass is in a state of rest so resultant force = 0. 16, Look, a thick wall means that the glass will not reach the surrounding temperature properly, which means that there will be unequal expansion. So to prevent this, we...
  13. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    Ye tou pura paper hai. :eek:
  14. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    Yes.
  15. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    Yeah. Thanks. :)
  16. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    (a) The power is given in Watts so convert the time to Seconds. Time = 2 * 60 = 120 s. Power = Energy/Time, Energy = Power * Time Energy = 85 * 120 Energy = 10200 J (b) Specific Latent Heat = Energy Supplied/Mass Specific Latent Heat = 10200/31 Specific Latent Heat = 329.0 J/g (3 sig. fig.)...
  17. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    The key words are "keeps the coin moving". This tells us that the frictional force is the resultant force on the coin (it is the centripetal force since the coin is in circular motion).
  18. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    Main scale Reading = 6.5 cm Secondary scale reading = 0.05 cm Vernier scale reading = 6.55 cm
  19. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    That's a matter of perception. Two months ago, I didn't know 2 things about Chemistry or Physics. I just read and understood everything from books, followed the syllabus and solved MCQ's. ALHUMDULILLAH, I'm much better now. MCQ's are brilliant concept builders. Do MCQ's and check answers against...
  20. Saad Mughal

    Chemistry P1 and P2 today

    Can't say anything for sure but the thresholds will be around the 160 mark in my opinion.
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