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Recent content by ujjwal jha

  1. ujjwal jha

    Maths P3 9709 32?

    Oh sorry .. it is 7 . I mistakenly wrote 4. In my school almost all the top students got 7 so i think its 7
  2. ujjwal jha

    Maths P3 9709 32?

    sorry, but d is not equal to o it was 4
  3. ujjwal jha

    Maths P3 9709 32?

    It was easy. I finished the whole paper in 45 minutes
  4. ujjwal jha

    Chemistry practical 33

    yes I guess it did. as you have to mention how will it make the experiment more accurate
  5. ujjwal jha

    Chemistry practical 33

    this isn't a salt. as both of them are solutions so i think you cannot change the amount . else concentration could have been increased so as to have high increase in temperature. so that there is less percentage error while calculating temperature.....
  6. ujjwal jha

    Chemistry practical 33

    both of them are solutions. so how can you increase amount. the answers should be to increase the concentration of the solution
  7. ujjwal jha

    Physics: Post your doubts here!

    thanks bro. actually i initially wrote , it decreases . but later on when i checked i found out that it was just the opposite . i had my luck with me today. anyway how much are you expecting in this paper
  8. ujjwal jha

    Physics: Post your doubts here!

    in the question related to doppler effect , even though the source was going far from the observer but its velocity was decreasing .. when we considered till 8s as mentioned in question. so should'nt the frequency increase
  9. ujjwal jha

    Physics: Post your doubts here!

    anyone know the answers of today physics paper 2
  10. ujjwal jha

    Chemistry: Post your doubts here!

    sorry , i had misunderstood your question
  11. ujjwal jha

    Chemistry: Post your doubts here!

    here, from the spectra we can see there are 4 different carbon environment. so in isomer " R" there are 5 different carbon environment. while in isomer "S" there is only 3 carbon environment. as in isomer " T " there are four environment. hence it is spectra of isomer T
  12. ujjwal jha

    Chemistry: Post your doubts here!

    there is no reaction possibly of acid with alkene. please check!
  13. ujjwal jha

    Chemistry: Post your doubts here!

    do anyone have march 2018 chemistry paper 4 question paper in soft copy . please help. it would be kind of you
  14. ujjwal jha

    Physics practical 33 predictions

    around 120
  15. ujjwal jha

    physics p42 discussion

    but nothing such is mentioned in the syllabus
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