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  1. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

  2. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    sweeti it's A
  3. pinkywinkypuffy

    :*

    :*
  4. pinkywinkypuffy

    thaxz sweetheart :)

    thaxz sweetheart :)
  5. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    i complied it ...from different websites.........
  6. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    let me know if these notes are good enough
  7. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    http://studyguide.pk/Notes/Chemistry/O-Level-Chemistry-Notes.pdf pages 49 to 55........the atmosphere and environment .......a very important topic.. i dnt hv my own notes for this topic ..but these are useful too
  8. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    hmmmmm....... i dnt rele have thm...wait i'll compile gv me an hour ...
  9. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    wht topic exactly are u tslking about ?
  10. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    air oxygen ,hydrogen and water ka chapter zaror parna ..
  11. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    awwwwwww *hugies*...amna trust me muhje b chmstry ki abc b nae ati thi aik month phly tak .....but Allah ka sukar hai ..im kind ov better in it...just keep reading sweeti ..n keep ur faith in Allah ..ur nail it ..dnt worry ..just work hard
  12. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    i hope it will b helpful to u guyz..if anything is missing or u want notes for other topic ..im alwayz there to help ....hope u like it.....
  13. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    thxz for correcting me....cn u explain ma plx
  14. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    guyz i do hv the notes..... :) will upload thm in an hour or so
  15. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    guyz i do hv the notes..... :) will upload thm in an hour or so
  16. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

  17. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    A chemical formula that shows the total number and kinds of atoms in a molecule, but not their structural arrangement. For example, the molecular formula of aspirin is C9H8O4. is known as molecular formula
  18. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    the sum of all the relative atomic masses of the atoms in a molecule; the ratio of the average mass per molecule of a specified isotopic composition of a substance to one-twelfth the mass of an atom of carbon-12. Symbol Mr Abbreviation r.m.m Former name relative molecular mass
  19. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    sweetheart ...in a metal lattice ,as thy have a sea of free moving electron ...n thy cant b send out of the lattice so thy keep transferring it within itself .....means electron are replaced by new one....n protons dnt move cause thy stay within the nucleus.....so optin b is the right one
  20. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    is it relative molecular mass or molecular formula u wanna knw abt?
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