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Recent content by sukasukinya

  1. S

    Chemistry: Post your doubts here!

    Can anyone tell me the general formula to calculate the percentage error? I am really confused right now.
  2. S

    Chemistry: Post your doubts here!

    What is the answer?
  3. S

    Chemistry: Post your doubts here!

    Hey guys, please help me? The question asks for the reaction of serotonin with Br2 but the mark scheme says that only phenol reacts with it. Doesn't alkene c=c react too? I need an explanation for this. I'm so scared for coming exam :(
  4. S

    Mathematics: Post your doubts here!

    Can someone help me with statistics 2? I do not know how to do question (ii). The answer is 0.865 :'(
  5. S

    Mathematics: Post your doubts here!

    Hi! Help me. Can someone explain to me for 7 (iii), why the answer in the mark scheme is the radius of 5 instead of 4?
  6. S

    Mathematics: Post your doubts here!

    Help me! How to show the factorisation of this cubic equation? I know the answers by using calculator but dunno how to show it :’(
  7. S

    Mathematics: Post your doubts here!

    Help me to solve (ii) please :’(
  8. S

    Mathematics: Post your doubts here!

    Can someone tell me why for the answer, we only use one of the range that we got? The answer is only x less than 5/3
  9. S

    Chemistry: Post your doubts here!

    Thank youuu so much :)
  10. S

    Chemistry: Post your doubts here!

    Guys, teach me how to know the type of hybridization for each of the options. I really don't know how :(( Helppp
  11. S

    Chemistry: Post your doubts here!

    The answer is D
  12. S

    What is your favorite show?

    How I Met Your Mother :)
  13. S

    Chemistry: Post your doubts here!

    How to do this? Im having paper 1 in 3 days and stressing out right now because of this question:'( Help
  14. S

    Chemistry: Post your doubts here!

    Thank youuuuu
  15. S

    Chemistry: Post your doubts here!

    I really can't figure this out. How can the formula be like that? Isn't it going to be 2 Ca ? The answer is C btw. Helppp
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