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  1. E

    Chemistry Paper 61

    I dont think that would be acceptd :(
  2. E

    Chemistry Paper 61

    In physics 2005 Paper 3 summer, I need help on q 1....I thought it would like be a curve but in the other way like in the picture because as it falls it accelerates....but I am not sure why it does what it does....prbly because of air resistance, the acceleration slowly decraeases as speed...
  3. E

    Chemistry Paper 61

    It was thhe questiion where you heated(a lot) iron(II)sulphate It would form Iron-oxide, SO2, SO3 if it said just heat then it would dehydrate but it said heat for a long time.....so it would decompose into these 3 things...
  4. E

    Chemistry Paper 61

    which question was this?
  5. E

    Chemistry Paper 61

    come on... if u think he behaves that way then just ignore him....dont lose yr temper.....I mean if I think someone is annyoing I just ignore them.....I think he is just trying to help though....;):D:ROFLMAO:(y):X3::LOL:
  6. E

    Chemistry Paper 61

    yes it does get dehydrated but since it said heating for a long time in the question, it will split up into iron 3 oxide, sulfur dioxide and sulfur trioxide.....i got this info from my teacher and online so I think its rite....
  7. E

    Chemistry Paper 61

    which question is this for?
  8. E

    Chemistry Paper 61

    I checked like all the previous grade thresholds and its usually 42-47 out of 60 for getting an A....so I think Im safe.....
  9. E

    Chemistry Paper 61

    Im not doin a lot of revision for physics coz I think Im better at it than I am in chemistry....any revision sheets, formula sheets and other key points etc would be greatly appreciated :D thx
  10. E

    Chemistry Paper 61

    Does anyone have a list of grade thresholds of chemistry for like 5-6 previous exams so taht I roughly know what an A grade would need? Thx
  11. E

    Chemistry Paper 61

    for paper 1 its 40 thats for sure...apaper 3 and 6 I think its more...I hope its more....I really do....
  12. E

    Chemistry Paper 61

    That cant be right....I roughly counted at the end and it came like upto 60-70 marks....it cannot be 40....if it is then I did horrible coz I think I lost like about 8-10 marks....
  13. E

    Chemistry Paper 61

    what about the crystalisation question? I said heat it and then add more of the solution so that more of it dissolves in the water (until it becomes saturated) and after doing this then you let it cool down slowly so that crystals form....how many do u think I will get out of 3 marks?
  14. E

    Chemistry Paper 61

    I checked it and I think I will get like 4-5 marks out of 7 because I mentioned to use 1 nail in each testtube and I added another test tube with no like rusting stoping thing as the control :) hope that wont annoy the examiners... XD
  15. E

    Chemistry Paper 61

    what is the total mark for this paper 6? I think its like 65? but Im not sure....
  16. E

    Chemistry Paper 61

    Could you give me alink to the previous similar question? because I also did not like mention masses, volumes etc...
  17. E

    Chemistry Paper 61

    usually there are like 10 or more points to get the 6 or 7 marks :) so hopefully I will have gotten like 4-5 of them :)
  18. E

    Chemistry Paper 61

    I think I lost 3 marks....coz I did not mention like measuring the weight of rust....I just said look at it and the one with the most rust is the least effective....I just said compare it with the control by looking
  19. E

    Chemistry Paper 61

    I put displacement and I think displacement, precipitation, and exothermic are right....but Im not sure if its displacement or double displacement....
  20. E

    Chemistry Paper 61

    For the first question heating the Fe(II)Sulphate, you get SO2, Fe(III)O and SO3(White gas)....I checked online and this seems correct :)
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