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  1. Saad (سعد)

    guys biology paper 2 is on 29 of may ...i need some help

    Awesome...
  2. Saad (سعد)

    Physics: Post your doubts here!

    Scalar.
  3. Saad (سعد)

    ᴊυѕт ᴀ ғᴇω мᴀɢɪсᴀʟ ωᴏяᴅѕ

    سبحان الله "Glorified be Allah beyond imperfections." الحمد لله "Praise (and gratitude) be to Allah." لا إله إلا الله "No god but Allah." الله أكبر "Allah is the Greatest." ولا حول ولا قوة الا بالله "And there is neither might nor power except with Allah." لا إله إلا الله محمد رسول...
  4. Saad (سعد)

    People out there......please read this. It's a sad story about my chemistry practicals.

    God already humiliated you once; if you think, that by mocking Him, you can get 'some marks'... well, you may very well get more marks than you expected. You may even become the most powerful, most intelligent, and most capable man on the planet. How many enemies of God achieved that? Most of...
  5. Saad (سعد)

    Chem.p34 answer discussion...

    Hmm... I think both are correct.
  6. Saad (سعد)

    Chem.p34 answer discussion...

    ... The reaction type was oxidation...
  7. Saad (سعد)

    A level Biology: Post your doubts here!

    Someone explain to me the Ecology Cycles which are in our syllabus (Nitrogen Cycle, and I think we have Carbon Cycle too).
  8. Saad (سعد)

    A level Biology: Post your doubts here!

    What does mass flow of solution mean?
  9. Saad (سعد)

    A level Biology: Post your doubts here!

    Oh yeah, thanks a lot. :) Bio last-minute revision notes, anyone? o.o
  10. Saad (سعد)

    Chem.p34 answer discussion...

    No worries lol I also remember because I had the opportunity to smell the NO2... :sick:
  11. Saad (سعد)

    Chem.p34 answer discussion...

    My supervisor can't be wrong, because he prepared the solution in the first place. o-o He knows what he put into it. Dude, NO2 is liberated by nitrites. Go check the Analysis table again. Nitrites liberate colorless NO with dilute acids which rapidly oxidises to nasty brown fumes of NO2. And...
  12. Saad (سعد)

    Physics: Post your doubts here!

    Can someone please tell me what definitions are commonly asked in questions, so that I can prepare them? Jazak Allah.
  13. Saad (سعد)

    A level Biology: Post your doubts here!

    Can someone please tell me what definitions are commonly asked in questions, so that I can prepare them? Jazak Allah.
  14. Saad (سعد)

    Chem.p34 answer discussion...

    Nitrite was present in FB5, Ammonium in FB6 and Nitrate in FB7. This I know for a fact, because I confirmed it with my Sir who was a supervisor. That's because FB5 decolorized KMnO4- and produced brown nitrogen dioxide gas on addition of dilute acid; nitrite can do that, not nitrate.
  15. Saad (سعد)

    Chem.p34 answer discussion...

    ... Isn't the oxidation state of Nitrogen in the Ammonium +5? And how many marks would I lose if my reading differs by 1.0 cm3 from the Supervisor's?
  16. Saad (سعد)

    Chem.p34 answer discussion...

    Let's just pray that its below 25. o-o
  17. Saad (سعد)

    People out there......please read this. It's a sad story about my chemistry practicals.

    :eek: You're allowed to ask for more solutions. This is a lesson for all of us, especially those whose paper took an unexpected U-turn towards the negative, including myself. Don't worry, have patience and put your trust in Allah. 'But perhaps you hate a thing and it is good for you; and...
  18. Saad (سعد)

    A level Biology: Post your doubts here!

    Adenosine Diphosphate, yeah its similar to ATP (Adenosine Triphosphate) - only one phosphate is removed. ATP is broken down into ADP and a Phosphate group, which releases the energy stored in the ATP that keeps us alive. The ADP is then built back up into ATP for reuse.
  19. Saad (سعد)

    Chem.p34 answer discussion...

    The titre value for Step 1 in by my Centre's Supervisor was 17.00 cm3, and for Step 2 was 22.20 cm3. I got 17.00 cm3 down accurately for the first step, but got 23.25 cm3 for the second one. How many marks will I lose?
  20. Saad (سعد)

    Chem.p34 answer discussion...

    Oi! Whatever happened to the 24 hr rule?
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