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Recent content by Syed Mirak

  1. Syed Mirak

    How was 9709 paper 4 (Mechanics 1)?

    my guess is 61 but i really hope its lower
  2. Syed Mirak

    How was 9709 paper 4 (Mechanics 1)?

    Probably 43
  3. Syed Mirak

    How was 9709 paper 4 (Mechanics 1)?

    I don't remember my change in k.e in q7 but my final speed was around 22 and initial was 13 or something
  4. Syed Mirak

    How was 9709 paper 4 (Mechanics 1)?

    my answers Q1> G=56 Q2> v=40m/s h=80m Q6>co effiecient of friction = 0.571 Q?>length of string 1.42 t=1.066 a=0.6667 a=o at time t=40 and t=60 distance =440 ANYONE WITH SIMILAR ANSWERS?
  5. Syed Mirak

    How was paper went of CHEMISTRY 5070/22

    what was the answer to the question which of the following doesn't produce carbon on combustion ?
  6. Syed Mirak

    How was paper went of CHEMISTRY 5070/22

    i wrote alcohol too but the majority says it was "glucose" or "disaccharides"
  7. Syed Mirak

    How was paper went of CHEMISTRY 5070/22

    which question are u talking about ? zn +hcl?
  8. Syed Mirak

    How was paper went of CHEMISTRY 5070/22

    acids react with metals (h2+salt) metal oxides(salt+h20) metal hydroxides(salt+h20) and metal carbonates (salt co2 and h20) . it doesn't react with metal nitrate . no doubt there
  9. Syed Mirak

    How was paper went of CHEMISTRY 5070/22

    i wrote the same thing
  10. Syed Mirak

    How was paper went of CHEMISTRY 5070/22

    which one forms the largest number of hydrides? carbon or nitrogen?
  11. Syed Mirak

    How was paper went of CHEMISTRY 5070/22

    Guys? what was the answer to the mcq about number of unshared electrons?
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