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  1. lavanyamane

    Chemistry doubts..ask here!

    Pure copper is the anode and impure is the cathode.
  2. lavanyamane

    Chemistry doubts..ask here!

    I know! Everywhere I look, there are different colours :( Anyway I have my exam in 50 minutes, so no point fretting now.. Good luck! <3
  3. lavanyamane

    Chemistry doubts..ask here!

    Can you guys please tell me the colour changes of various indicators? Methyl orange - acid, base, neutral? Phenolphthalein - acid, base, neutral? Any others?
  4. lavanyamane

    Chemistry doubts..ask here!

    http://www.xtremepapers.me/CIE/Cambridg ... 8_qp_6.pdf Q.2 (c) ?
  5. lavanyamane

    Chemistry doubts..ask here!

    Any time :)
  6. lavanyamane

    Chemistry doubts..ask here!

    1. <3d> The lumps are smaller, so the reaction will be faster and hence the graph will be steeper/ drawn above the original. But it will level off at the same point as the first one because only the surface area has changed, not the concentration. <4g> The mixture would be at room temperature/...
  7. lavanyamane

    Chemistry doubts..ask here!

    http://www.xtremepapers.me/CIE/Cambridg ... _qp_62.pdf Q.(4)(g) - Would the answer be room temperature because the reaction is over?
  8. lavanyamane

    Chemistry doubts..ask here!

    Ah never mind I got it :)
  9. lavanyamane

    Chemistry doubts..ask here!

    http://www.xtremepapers.me/CIE/Cambridg ... 6_qp_6.pdf Q. 3(e)(iii) ?
  10. lavanyamane

    Chemistry doubts..ask here!

    Sea water, because it contains salt, which speeds up rusting
  11. lavanyamane

    Chemistry doubts..ask here!

    Got it! Thank you! I was just wondering why I can't directly react copper carbonate with magnesium. Silly thought, I didn't think :)
  12. lavanyamane

    Chemistry doubts..ask here!

    http://www.xtremepapers.me/CIE/Cambridg ... _qp_61.pdf Q. 7?
  13. lavanyamane

    Paper 6 chem notes

    Sorry, but if you could send 'em to me, it would be great [email protected]
  14. lavanyamane

    Physics - Doubts in the syllabus

    Thank you very much, unplugged. That was helpful :) Are you sure that positive charges are attracted to the south pole and negative ones to the north pole?
  15. lavanyamane

    Physics - Doubts in the syllabus

    What you explained is not nuclear fusion. I know what Brownian motion is, but what is the kinetic molecular model of matter? I also know what latent heat is, but what is its molecular interpretation? Does it mean the same thing? How is the electron model used to distinguish between conductors...
  16. lavanyamane

    Physics - Doubts in the syllabus

    Need some help guys: 1. Recall and use the relation between force, mass and acceleration (including direction) - What does direction mean, here? 2. Page 15: Give advantages and disadvantages of each method in terms of cost, reliability, scale and environmental impact (talking about energy...
  17. lavanyamane

    Who actually completed Biology Paper 3?

    Hahahaahh! xD And the paper was a tad lengthy. I finished only 3 minutes before time and couldn't check. But other than the OHSHITNOTIME!, paper wasn't really difficult for me. Nobody's stupid! And don't worry, if the paper was tough for a lot of people, the threshold will be lower and you'll...
  18. lavanyamane

    Biology - some doubts in the curriculum

    Haha you're welcome :)
  19. lavanyamane

    Biology - some doubts in the curriculum

    Of course you helped! :') Thank you so very much!
  20. lavanyamane

    Biology - some doubts in the curriculum

    Okay so would you please tell me what this stuff means?
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