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  1. NKPyo

    Chemistry paper 1 doubts!!

    The answer is C in the mark scheme and should be C as only non-metallic oxides are acidic.
  2. NKPyo

    Chemistry paper 1 doubts!!

    For e.g. Cr gives 6 electrons to oxygen in K2CrO4 so its oxidation state is Cr(-6) While in K2CrO7 Cr gives 12 electrons so it state is (-12). However in this question the products remain same that is why the oxidation state of the chromium ion remains same however due to the excess k2cro7 the...
  3. NKPyo

    not a good atp exam

    easy but I should really be punished for not reading one question goddamit!
  4. NKPyo

    CHEMISTRYY PAPER 6 VARIENT 2 OCT/NOV 2012 DISCUSSION

    Some of the mass may have been evaporated in the air due to the heat and it was reweighed for getting more accurate reading by taking out the average of the two readings.
  5. NKPyo

    Chemistry paper 1 doubts!!

    Upload the paper lplease
  6. NKPyo

    Chemistry paper 1 doubts!!

    Take electrolysis of dilute aqueous sodium sulphate for example: sodium is formed at the cathode (and reacts with air to form sodium oxide immediately) and Oxygen is formed at the anode(and goes of gas) Now what remains is just sulphuric acid.This can be taken out from either cathode after the...
  7. NKPyo

    Chemistry paper 1 doubts!!

    The qystion 13's answer is D of course as at the cathode NaOH is produced which turns universal indicator blue(violet in real life) and at the anode chlorine is formed which after five minutes is completely diffused in air thus it is colourless at the positive electrode
  8. NKPyo

    Chemistry paper 1 doubts!!

    Me!! :D
  9. NKPyo

    ICT doubts here

    i did a little bit of research , the correct answer is LAN messenger
  10. NKPyo

    ICT 0417/12

    Did anyone get the question containing "an item of a software that sends messages to other users?"
  11. NKPyo

    ICT doubts here

    Did anyone get the "item of a software that is used to send messages" question in paper 1"
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