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  1. A

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    Ya definitely..anything which is a non metal eg:noble gas,halogens etc..is considered as a non metallic element :) And sorry i didnt read your question well :P
  2. A

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    Well i think u mixed up..the ms answer is right becoz it counted the two 17s(isotopes) plus 18(argon) so it becomes 3 :)..U must have counted 17 only once becoz the 2 are isotopes :P
  3. A

    Environmental Management folks!!!

    Ur welcome :D
  4. A

    Physics, Chemistry and Biology: Post your doubts here!

    Well i think i hve them but only as a hard copy..if u want u can tell me a question and i will give u its answer :)
  5. A

    Environmental Management folks!!!

    Are you guys ready for paper 2?? I feel like it will be hard :/
  6. A

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    The answer is B becoz in CH4 each hydrogen atom uses its 1 electron in bonding(covalent) and the carbon atom uses its 4 outermost electrons for bonding with the 4 hydrogen atoms.
  7. A

    6 days left and we r done :)

    6 days left and we r done :)
  8. A

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    Well i assume its chemistry. As u know for rusting iron needs only the O2 from the air and oxygen is only 20% of air so the water level will rise a bit. If for example nitrogen was needed for rusting then the answer would have been C becoz nitrogen is 79% of air..hope u understood :)
  9. A

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    Which subject bio or chemistry???
  10. A

    Physics, Chemistry and Biology: Post your doubts here!

    Ready for paper 1??U look like an A* student to me :P
  11. A

    Physics, Chemistry and Biology: Post your doubts here!

    Well definitely the amount of iron in this question will be much more than the amount of zinc..thats how i thought about it if u still didnt understand u might wanna ask some1 else :D
  12. A

    Environmental Management folks!!!

    Well i think it is allowed..i took mines in paper 1 although it wasnt mentioned in the question paper :)
  13. A

    Physics, Chemistry and Biology: Post your doubts here!

    Just think about D is the only choice where iron is covered with zinc!!
  14. A

    Environmental Management folks!!!

    Guys could anyone tell me how to describe maps coz i really hve a problem in that!!
  15. A

    Physics, Chemistry and Biology: Post your doubts here!

    Haha its good that u assumed that im talking about Chemistry becoz im tired of writing it every time :D..Thx alottt for your appreciated efforts :)
  16. A

    Physics, Chemistry and Biology: Post your doubts here!

    Hey guys could someone help me with these questions>>W06 PAPER 1 qno 37,40 and 31???
  17. A

    Physics, Chemistry and Biology: Post your doubts here!

    My marking scheme :D...3 years ago i bought a bunch of past papers including chemistry and i found out that it has the ans for these old questions :)
  18. A

    Physics, Chemistry and Biology: Post your doubts here!

    And also for the question about the apparatus needed in the exothermic and the endothermic question ur rite..Can u believe i didn't read the part which says "mixing equal volumes of the 2 solutions"!!!!
  19. A

    Physics, Chemistry and Biology: Post your doubts here!

    I checked the answer for the question which says what is the process that results in the loosing of a hydrogen atom and the answer is Oxidation (D)......
  20. A

    Physics, Chemistry and Biology: Post your doubts here!

    Its ok ill try to find a question like that and c its answer :)
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