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Recent content by paparazzi

  1. P

    physics p2 help!

    thank u so so so much~~~
  2. P

    physics p2 help!

    2001 AND 2002...
  3. P

    physics p2 help!

    01 october QS 3(c) n 8(b) 02 may QS 3(b)(iii) and 4(d)why in downward direction???
  4. P

    chem p1 m/j 09 qs.

    yeah.absolutely!!! :)
  5. P

    chem p1 m/j 09 qs.

    whats the product if potassium astatide reacts with dilute H2SO4? I go through the textbook bt it only explained the reaction with conc.H2SO4.. 09 MJ Q 11, Q 19(I can only find 2 chiral centres) and Q 20( it has only 3 double bond.... how can it has 8 cis-tans isomer..)
  6. P

    chem p1 m/j 09 qs.

    and QS 11??
  7. P

    chem p1 m/j 09 qs.

    mj 09 QS 6, 9, 16( dont understand options b,c,d), 17 (why (NH4)2SO4 IS an ionic salt)
  8. P

    chemistry p1 help!! plz.

    yeah. thx again.
  9. P

    chemistry p1 help!! plz.

    mj 08 Q 26,27,28,40??? Any one? plz
  10. P

    chemistry p1 help!! plz.

    Sorry.a lot of qs again..my chem sucks. mj 06. QS 6,26,28,32
  11. P

    chemistry p1 help!! plz.

    why an element can have different oxidation no.? e.g Cl,N,S ???? AND why not beryllium have same oxidation no in all of its known compounds?
  12. P

    chemistry p1 help!! plz.

    yeah.thank u~ :D
  13. P

    chemistry p1 help!! plz.

    what abt sodium hydroxide??? i think it also produces 1 H+ in h2o....
  14. P

    chemistry p1 help!! plz.

    thx.!!!!! a little bit confusion abt QS11, i think the products catalyses the reaction means it is a catalyst.but the definition for catalyst is a chemical substance which speeds up a chemical reaction w/o being used up. so why the reactants are used up??????
  15. P

    chemistry p1 help!! plz.

    sorry 2 bother u guys again... can sum1 tell me how to do mj02 QS 11,13,30 AND Q 39 why between X and Y the C-Hal bond will be lengthening. mj 04 QS 9. REALLY APPRECIATE OF UR HELP!!!!
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