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  1. haochen

    Chemistry doubts..ask here!

    But my teacher marked it wrong :( she encircled weak alkaline as correct... n i didnt remember to ask her again :%) no 11 is consider as strong !!!! in my note it is written like this and in my book also so ill follow mine :D
  2. haochen

    Chemistry doubts..ask here!

    this is a test for iron (11) so it doesnt dissolve in excess. (cation table) and it give green ppt. u didnt write H2O which is a huge mistake coz water is always present in the product of rusting. and i am not sure of the reactant :( but i think its Fe + O2 + H2O
  3. haochen

    Double Coordinated Science help topics

    srry i dont do it :( someone help
  4. haochen

    Quick Question

    noo way !!!! mole is for supplement and paper 6 is core so no way it will come :D
  5. haochen

    Chemistry doubts..ask here!

    ohhh a no.. to montenegro :P
  6. haochen

    Chemistry doubts..ask here!

    ur welcm :D no 11 12 13 14 are consider as strong 1 2 3 are consider as strong acid 4 5 6 are consider as weak acid 7 is neutral 8 9 10 are consider as weak acid hope u got it :D
  7. haochen

    Chemistry doubts..ask here!

    Fe2O3.xH2O hope u got it :D
  8. haochen

    Ask your chemistry p6 doubts here with me ! :)

    :D
  9. haochen

    Chemistry doubt

    and reducing agent is potassium iodide :D
  10. haochen

    Chemistry Paper 6 - Important notes and repeated questions.

    Re: Chemistry Paper 6 - Important notes and repeated questio yeah its wrong dont get confused :D
  11. haochen

    Chemistry doubts..ask here!

    yeah but the water with salt didnt touch the nail as narutogirl said so nothing will happen :D
  12. haochen

    physics help please!!!

    which one ??? post the link of the paper ill try to help u :D
  13. haochen

    Chemistry doubt

    what reply??? (if ur talking about him forget it try to understand positive way) ok the answer: like i said to control the starting of the reaction. )u dont want it to start when u are preparing but u can let loose later when u r ready) in the m.s. it is written to not let Mg contact with the...
  14. haochen

    HELP! CHEMISTRY P6!

    ur welcm :D
  15. haochen

    Chemistry doubt

    he doesnt understand the question , u better take back ur word coz even i dont understand. the easiest way is to post the link and we will try to help u :D
  16. haochen

    Chemistry doubt

    i think so u can control when to start the reaction :D i dont know the question but by my experience i think this s the answer :D hope it is correct :D
  17. haochen

    HELP! CHEMISTRY P6!

    becoz there is a test and it said that it smell like vinegar so vinegar is classified into an ethanoic acid.
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