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  1. ZainH

    Chemistry Test of Ions

    AH! Now it makes sense, thanks. STAY TUNED! I'll be back with more questions x)
  2. ZainH

    Haha, take both. Then you can talk to business men and the problems they have with life x)

    Haha, take both. Then you can talk to business men and the problems they have with life x)
    • ZainH
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  3. ZainH

    Chemistry Test of Ions

    Understood everything besides how (iii) shows that nitrate is present.. And for the copper thing, okay.. I'll remember that. Any other colors of metals/oxides I should remember? (That aren't present in tests for anions/cations)
  4. ZainH

    Ikr? Medical is craazyy stress... and I actually enjoy physics/maths/ict.. Chem is a killer -.-...

    Ikr? Medical is craazyy stress... and I actually enjoy physics/maths/ict.. Chem is a killer -.- What are you confused about? Not sure what your planning to be when you grow up :s?
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  5. ZainH

    Chemistry Test of Ions

    Well lets see who answers this first.. Q5)d) Explain this one please..and Q6)b) What test is this? THey just heated copper oxide...how are we supposed to know the color change? http://www.xtremepapers.com/papers/CIE/Cambridge%20IGCSE/Chemistry%20(0620)/0620_s04_qp_6.pdf
  6. ZainH

    Bio Paper 3 Variant 1

    Lol it's fine, lots of people made stupid mistakes.. including me. Lost around 10 marks, but still threshold should be low x)
  7. ZainH

    Chemistry Test of Ions

    Wow how didn't I see that.. thanks. Haha, thanks. Your's is pretty funny as well x)
  8. ZainH

    Chemistry Test of Ions

    http://www.xtremepapers.com/papers/CIE/Cambridge%20IGCSE/Chemistry%20(0620)/0620_s04_qp_6.pdf Q4)b)ii)
  9. ZainH

    Bio Paper 3 Variant 1

    Liver was for deamination andd there wasn't any thing to label for making bile. There was protein digestion, where water is re-absorbed , insulin production and where is bile added to soften the food.
  10. ZainH

    Bio Paper 3 Variant 1

    Er, I don't remember EXACTLY what I labelled.. but all the letters were different.. What was J?
  11. ZainH

    Bio Paper 3 Variant 1

    Glucose. For proteins it was amino-acids and for fats it was fatty acids and glycerol.
  12. ZainH

    Chemistry Test of Ions

    THANKS A TON! I'll solve the more recent test for ion questions, but thanks. This helped x)
  13. ZainH

    Bio Paper 3 Variant 1

    Never heard of aerial hypha, but since you wrote hypha you should get the 1mark.
  14. ZainH

    Chemistry Test of Ions

    Ah k, but still I can't even solve the question WITH ALL THOSE TESTS. Im screwed.. the question is 4) http://www.xtremepapers.com/papers/CIE/Cambridge%20IGCSE/Chemistry%20(0620)/0620_s03_qp_6.pdf
  15. ZainH

    Bio Paper 3 Variant 1

    I just wrote Hyphae (Plural).. What's aerial hypha? :S
  16. ZainH

    Chemistry Test of Ions

    Err, the test for ions and stuff you posted by cambridge on the first page doesn't include the results when things are heated.. Any idea where I could find results of when compounds or salts are heated. Like color results, etc.
  17. ZainH

    Bio Paper 3 Variant 1

    Well this thread's officially open for dicussion! You can ask me any questions you were unsure of and we can compare answers x)
  18. ZainH

    Chemistry Test of Ions

    Ah, all right thanks , noowww I understand x)
  19. ZainH

    Chemistry Test of Ions

    But what does the difference have to do with the volume of sodium thiosulphate? Since in the question they said it was only filled up to the 0.0cm3 mark :S
  20. ZainH

    Chemistry Test of Ions

    All right same paper, question 3. It says a burette was filled up to the 0.0cm3 mark with solution A of sodium thiosulphate. Then in part a)i) it says in which experiment was the greatest volume of aqueous sodium thiosulphate used? I said experiment 2 since, in experiment 1 there was barley...
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