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  1. H

    chem help

    Which salt is produced by adding aqueous ammonia to aqueous sulphur dioxide until just alkaline? A NH4 SO3 B NH4 SO4 C (NH4)2 SO3 D (NH4)2 SO4
  2. H

    AS PHYSICS!!!

    @ libra why not c for that spring question...
  3. H

    help bio

    one ER says that "The nature of the apoplast as being all the non-living water-conducting parts of a plant was not at all well known. The direct effect of the fungal growth would be blockage of the xylem vessels, which are part of the apoplast." xylem arepart of appoplast.....cn anyone tell...
  4. H

    help bio

    yea it is....cn u xplain me a bit ....i was thinking A
  5. H

    help bio

  6. H

    false origin---bio graphs

    if date is starting at lets say 5 and ending at 10...can we use false origin or else graph will be concentrated in a smaall area?
  7. H

    bio practical leaks!!!!!!!

    hey fibrosa wat kind of practicals u hav performed....i have only done microscopy....food tests...and a little bit abt enzymes..
  8. H

    physics query

  9. H

    Physics help needed For AS level

    caution:never write the reciprocal of I-V curve gradient idea for resistance in exam....its nt acceptable...........it cn help u sumtimes bt neva write this in any explanation
  10. H

    bond angle

    i saw that phosphine bond angle from wiki b4 bt since there was an ans available in markscheme ......thats y i had to accept it
  11. H

    determinng Kc ...practical....

    anyone....and what abt iodine-clock experiment
  12. H

    IR May/june 2011

    k wats abt prediction for quantitative task of chemistry
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