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  1. H

    AS Practical list

    when you belong to zone 1 in AS level do we have to do variant 3 or 4 or 5 in practical chemistry biology physics ANY IDEA FOR JUNE EXAM
  2. H

    AS Practical list

    any guesses for bio chem n phy 31??
  3. H

    Chemistry: Post your doubts here!

    right don't be rude dude I've seen a burette a couple of times I just have a bad teacher dude. Anyway good job!
  4. H

    Chemistry: Post your doubts here!

    Umm yeah I thought it wasn't sending... lol... anyway I meant why can't we refill for each seperate titraion up to 50 since the burette fills completely up to 50 and the marking scheme says do not award mark if 50 cm3...I ALWAYS refill the burette why not... it makes the readings easier the...
  5. H

    Chemistry: Post your doubts here!

    WHEN YOU MAKE TITRATION DO I HAVE TO REFILL THE BURETTE EACH TIME TILL 50 CM3 OR NOT
  6. H

    Chemistry: Post your doubts here!

    I DID NOT GET IT
  7. H

    Chemistry: Post your doubts here!

    when you make titration can we start with 50cm3 as an initial reading for each rough titration in the MS it is written that do not give marks if start with 50cm3 plaese answer i am confused
  8. H

    Chemistry: Post your doubts here!

    when you make titration can we start with 50cm3 as an initial reading for each rough titration in the MS it is written that do not give marks if start with 50cm3
  9. H

    Chemistry: Post your doubts here!

    when you make titration can we start with 50cm3 as an initial reading for each rough titration in the MS it is written that do not give marks if start with 50cm3
  10. H

    Chemistry: Post your doubts here!

    when you make titration can we start with 50cm3 as an initial reading for each rough titration in the MS it is written that do not give marks if start with 50cm3
  11. H

    Chemistry: Post your doubts here!

    when you make titration can we start with 50cm3 as an initial reading for each rough titration in the MS it is written that do not give marks if start with 50cm3
  12. H

    How to prepare for Chemistry/Physics Paper 5?

    I CAN NOT OPEN THE ATTACHEMENT PLAESE THANKS
  13. H

    A level Biology: Post your doubts here!

    can yoyu answer my question on energy flow posted thanks
  14. H

    A level Biology: Post your doubts here!

    no answer is A do not know why
  15. H

    A level Biology: Post your doubts here!

    PLEASE ANSWER
  16. H

    Chemistry: Post your doubts here!

    can you solve
  17. H

    Chemistry: Post your doubts here!

    can you solve
  18. H

    Chemistry: Post your doubts here!

    I2(s)_____________I2(g) deltqa H=+38 kJ/mole + I2(g) +3Cl2(g) _________ 2ICl3(s) delta H= -214 kJ/mole ADD OBTEIN _176 FOR 2 MOLES THEN DIVIDE BY 2 OBTAIN _88
  19. H

    Chemistry: Post your doubts here!

    the answer in ms is MgCl2 I DO NOT GET WHY
  20. H

    Chemistry: Post your doubts here!

    answer is C in ms
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