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  1. Ariel Robert

    Chemistry Paper 4-theory- doubts =D

    What is the formula of DNPH (Di-nitrophenyl Hydrazine)
  2. Ariel Robert

    M1 ON 13 MAY ,WHO HAS THE BEST PREPATION,Post your doubts here?

    First the body was moving forward then at 2s it started to reverse coming at a rest at 3.25s
  3. Ariel Robert

    AS Physics P2 !

    Momentum = m(v-u)/t
  4. Ariel Robert

    How was Chemistry P5?

    Thank god, Allah has saved me, all my friends are wrong...
  5. Ariel Robert

    How was Chemistry P5?

    51
  6. Ariel Robert

    How was Chemistry P5?

    even i got 5 but my whole class got 7, now i dont know who is correct...
  7. Ariel Robert

    Chemistry Paper 21 discussion

    no it was reducing agent
  8. Ariel Robert

    Chemistry Paper 21 discussion

    Though it was a very easy paper... Threshold might be high...
  9. Ariel Robert

    Chemistry Paper 21 discussion

    I even got 43.3% because of the mole ratio 1:2 if you got something 80% that's wrong, because you did not take the mole ratio... The equation is (NH4)2SO4 + 2NaOH = 2NH3 + Na2SO4 + 2H2O My Equation was wrong but the percentage was correct My Equation --> (NH4)2SO4 + 2NaOH = NH3 + NaHSO3 +...
  10. Ariel Robert

    Physics: Post your doubts here!

    Or You could simply take 3 resistors in parallel and then 12/resistors in parallel...
  11. Ariel Robert

    Physics Definitions That can get you an A*

    As level Definitions
  12. Ariel Robert

    Physics Definitions That can get you an A*

    Definitions are below
  13. Ariel Robert

    Physics paper 2 Discuss and Share

    I would say find the current in the main circuit as the resistance and voltage is given, then use that current in the parallel area to find the resistance...
  14. Ariel Robert

    Chemistry p21

    Like if you study everything
  15. Ariel Robert

    Chemistry p21

    It was so easy!!!
  16. Ariel Robert

    chem p22..doubt?

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s12_ms_23.pdf Q2 a) (iii) Working is wrong but answer is correct... weird huh
  17. Ariel Robert

    Pure Mathematics 1.... AS students only

    im not a bro
  18. Ariel Robert

    Pure Mathematics 1.... AS students only

    Thnx It really Helped
  19. Ariel Robert

    Physics: Post your doubts here!

    Bro, The full question is wrong or one of the options are missing...
  20. Ariel Robert

    Physics: Post your doubts here!

    If anyone need help, please reply on me...
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