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Recent content by Beaconite

  1. B

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    Exactly. So distance b/w 2 nodes i.e 0.34 cm, was half wavelength.
  2. B

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    Actually, it was a stationary wave, since it told you to label node and antinodes earlier. In a stationary wave, length b/w 3 nodes is wavelength, not 2. 0.34 cm was distance between 2 nodes, and half wavelength. Trust me, I made the same mistake initially. Wavelength was 68.5 cm, so...
  3. B

    Chem.p34 answer discussion...

    The last two parts were worth how many marks again?
  4. B

    Chem.p34 answer discussion...

    Thanks. What about the rest? Is that alright?
  5. B

    Chem.p34 answer discussion...

    My Q2 was like this: FA5 (i) Effervescence noted, brown gas released which is identified as NO2 due to color (ii) Effervescence, Solution turns brown, black-brown ppt formed which dissolves and brown gas NO2 given off, identified due to color (iii) Purple color of KMNo4 decolorised...
  6. B

    Chem.p34 answer discussion...

    If I wrote the reaction type as oxidation, will the examiner cut the mark for that part?
  7. B

    Chem.p34 answer discussion...

    I think the rule is that you get full marks if the deviation in average volume is not more than 0.3 cm3, 1 mark loss if the deviation is between 0.3-0.6 and 2 mark loss if more than that.
  8. B

    Chem.p34 answer discussion...

    I hope so. The way papers have went, I'd say it won't be higher than 27.
  9. B

    Chem.p34 answer discussion...

    What do you guys think the threshold will be for p34? Because alot of people I know weren't happy with it and had missed stuff, especially in Q2.
  10. B

    paper 12 chemistry ...

    The cracking of octene one was D. Because to balance no. of hydrogen atoms, the diene and alkane should both have been produced, or neither. This was the case only in A or D. And in A, the no. of carbon atoms weren't balanced, so answer is D. The HBr one was either A or B, anyways it was the...
  11. B

    How was Math P1??????

    That's the exact problem. I forgot which question it was. :p
  12. B

    How was Math P1??????

    That's the exact problem. I forgot which question it was. :p
  13. B

    paper 12 chemistry ...

    The %age one definitely wasn't 50:50. It was the %age by mass, not by moles. It was C. 57.7:42.3 The haloalkane one was either A or B, I forgot which I ticked lol. :p The AgCl one was B. And the cracking one was D.
  14. B

    How was Math P1??????

    Can someone PM me the answer to q4, paper 12? It's driving me crazy. :/
  15. B

    Urdu B formats

    One thing. Should we write our name and address in the letter, or should we simply write 'kamrah imtahan ? Alif bay geem'
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