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  1. Lujain M.

    Chemistry Doubts: IGCSE Paper 3

    guys I dont understand equilibrium ...i know the effect of inc and dec. but i dont know how do i know which is forward or backward..:S
  2. Lujain M.

    Physics p61

    thats what I wrote too..coz in order to make I calculated the resistance for the valus in that table and they were all like 1.5000 something. I hope its correct though..
  3. Lujain M.

    GUYS HELP 4 PHYSICS PAPER 3

    electrical to ke
  4. Lujain M.

    GUYS HELP 4 PHYSICS PAPER 3

    oh and the space between the wavefronts in fig. 7.1 should be same since its only reflection so only direction changes
  5. Lujain M.

    GUYS HELP 4 PHYSICS PAPER 3

    um..i dont know how to explain but it will be the same way u draw light rays..draw a normal in fig 7.1 the wave fronts will sloping to the left and in fig. 7.2 u will first draw the normal then continue the arrow in the glass block and it should be towards the normal the wavefronts should be...
  6. Lujain M.

    GUYS HELP 4 PHYSICS PAPER 3

    june or nov ?
  7. Lujain M.

    GUYS HELP 4 PHYSICS PAPER 3

    ahaa..thaaank youu!
  8. Lujain M.

    GUYS HELP 4 PHYSICS PAPER 3

    thats all what we have to know bout capacitors ? thanks btww:)
  9. Lujain M.

    GUYS HELP 4 PHYSICS PAPER 3

    can someone explain capacitors plz ? :S
  10. Lujain M.

    Chemistry Paper 61

    I wrote the same thing
  11. Lujain M.

    Chemistry Paper 61

    dude it was Kcl + AgNo3 will give Agcl wish is an insoluble saltt !!!
  12. Lujain M.

    Chemistry Paper 61

    yes all nitrates are soluble but soluble salt + soluble salt --> insoluble salt so there must be a ppt thats why its called ppt reaction
  13. Lujain M.

    Chemistry Paper 61

    aha..I hope so :) and in the same question when it asked bout the observation when u change reactants to I think it was silver nitrate and potassium nitrate. I wrote yellow ppt
  14. Lujain M.

    Chemistry Paper 61

    and guys what bout the ques in which it asked what type of reaction it was between kcl and PbNo3 ? I wrote precipitation
  15. Lujain M.

    Chemistry Paper 61

    yup I got the same answer
  16. Lujain M.

    Chemistry Paper 6 - Important notes and repeated questions.

    It wass goooddd :D thankk goddd
  17. Lujain M.

    Chemistry Paper 61

    The paper was good alhumdulillah :D
  18. Lujain M.

    chemistry paper 61 need help exam in couple of hours!!

    oh I'm taking variant 1
  19. Lujain M.

    chemistry paper 61 need help exam in couple of hours!!

    which variant is this ?
  20. Lujain M.

    Chemistry Paper 6 - Important notes and repeated questions.

    hahaha it's okayy :)
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