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  1. SadiaMaryam

    A level Biology: Post your doubts here!

    The A tube shows the DNA strands which only contain the lighter N-14 isotopes, B shows heavier N-15 isotopes. But what are we looking for? we are actually looking for a mixture of both because one old strand(N-15) is conserved in DNA replication and new neuclotides containing N-14 are used to...
  2. SadiaMaryam

    Alevel Statmenet of Entry no Practical avenue detail

    I got both of them. Theory paper venue page and the practical venue page were packed separately. Maybe, your postman missed it and gave u only one. U should first go and check post office near you and if not found, then u should of course call British Council.
  3. SadiaMaryam

    ok

    ok
  4. SadiaMaryam

    OMG...this is so much buttering I'm feeling slippery, i cant hold on to ground...hahahaha just...

    OMG...this is so much buttering I'm feeling slippery, i cant hold on to ground...hahahaha just kidding
  5. SadiaMaryam

    welcome...by the way, I don't think I helped u that much

    welcome...by the way, I don't think I helped u that much
  6. SadiaMaryam

    thank u

    thank u
  7. SadiaMaryam

    yes right

    yes right
  8. SadiaMaryam

    I found H: CH3-benzene ring-NH3^+1 Cl^-1..and on 4th position. and yes its same like urs haha

    I found H: CH3-benzene ring-NH3^+1 Cl^-1..and on 4th position. and yes its same like urs haha
  9. SadiaMaryam

    CH3-benzene ring-NHCOCH3.....this is G

    CH3-benzene ring-NHCOCH3.....this is G
  10. SadiaMaryam

    OMG...where it has gone.....I've read it in book..but I dont know in which chapter. When I'll...

    OMG...where it has gone.....I've read it in book..but I dont know in which chapter. When I'll find, I'll let u know. Ur next question?
  11. SadiaMaryam

    answer is acidified or alkaline potassium manganate..but I'm still searching it in book to make...

    answer is acidified or alkaline potassium manganate..but I'm still searching it in book to make it more clear..
  12. SadiaMaryam

    let me see that...wait a minute plz

    let me see that...wait a minute plz
  13. SadiaMaryam

    ur next question?

    ur next question?
  14. SadiaMaryam

    by the way, did u really understand it or not? coz I'm not good at explaining things

    by the way, did u really understand it or not? coz I'm not good at explaining things
  15. SadiaMaryam

    multiplying by 4 is just like : no. of moles/25 x 100... this is actually finding the no. of...

    multiplying by 4 is just like : no. of moles/25 x 100... this is actually finding the no. of moles in 100 dm3 with the respect to the moles in 25dm3
  16. SadiaMaryam

    to balance the 5 electrons in eq1, we multiply the second eq. by 5

    to balance the 5 electrons in eq1, we multiply the second eq. by 5
  17. SadiaMaryam

    the other half eq: Fe^+2 ---->Fe^+3 +e-

    the other half eq: Fe^+2 ---->Fe^+3 +e-
  18. SadiaMaryam

    good question! x5 is to balance the electrons. 1 half eq: MnO4^-2 +8H+ +5e...

    good question! x5 is to balance the electrons. 1 half eq: MnO4^-2 +8H+ +5e ---->Mn^+2+4H2O
  19. SadiaMaryam

    yeah. it really helped TY

    yeah. it really helped TY
  20. SadiaMaryam

    alright thank you

    alright thank you
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