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Search results

  1. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    I told you, loudness is affected by the amplitude of a sound wave (no effect by frequency). Pitch is affected by the frequency of a sound wave (no effect by amplitude).
  2. Saad Mughal

    Chemistry P1 and P2 today

    P2.
  3. Saad Mughal

    Chemistry P1 and P2 today

    Higher and higher.
  4. Saad Mughal

    Chemistry P1 and P2 today

    I think 2006. It was in the Topical past papers.
  5. Saad Mughal

    Chemistry P1 and P2 today

    of Nitrogen.
  6. Saad Mughal

    Chemistry P1 and P2 today

    I checked a question from the past papers (theory) in which two compounds had the same number of atoms of Nitrogen in it but different number of moles. :whistle:
  7. Saad Mughal

    Chemistry P1 and P2 today

    It's not balanced. :whistle:
  8. Saad Mughal

    Chemistry P1 and P2 today

    What did you write?
  9. Saad Mughal

    Chemistry P1 and P2 today

    For A, it was 4.5 moles of oxygen. For B, it was 5 moles, For C, it was 5 moles, For D it was 6 moles.
  10. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    Not sure Usama. I'll get back to you on this. :)
  11. Saad Mughal

    Chemistry P1 and P2 today

    Nope. It was A.
  12. Saad Mughal

    Chemistry P1 and P2 today

    Well, I got question 1 wrong! Can you believe it! I thought that separating funnel was used for filtration! :(
  13. Saad Mughal

    Chemistry P1 and P2 today

    Mere Bhai!! :D But it's wrong. :whistle:
  14. Saad Mughal

    Chemistry P1 and P2 today

    Don't you mean, C3H7OH, ;)
  15. Saad Mughal

    Chemistry P1 and P2 today

    I didn't check the paper thoroughly enough. :(
  16. Saad Mughal

    Chemistry P1 and P2 today

    Don't remember. :(
  17. Saad Mughal

    Chemistry P1 and P2 today

    I didn't pay attention to a lot of things. :whistle: :(
  18. Saad Mughal

    Chemistry P1 and P2 today

    Iron.
  19. Saad Mughal

    Chemistry P1 and P2 today

    Ok.
  20. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    I read the question again, it says mass of each steel ball is 27 g. So, we have to multiply by 10 as well.
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