Monday, November 19, 2018

MOCK ANSWER FOR STPM 2018 CHEMISTRY SEM 3 (962/3)

Dear readers

This is the suggested answer for STPM 2018 Chemistry Sem 3. Bear in mind this is just the answer based on my own experience and not the official answer scheme. Enjoy

STPM 2018 CHEMISTRY SEM 3 (962/3) SUGGESTED ANSWER
https://app.box.com/s/ir6zkx6jfhmtts5r1gxdjwnb83gi12tu

Good luck

Chew Sensei
Posted by at

12 comments:

  1. UnknownNovember 19, 2018 at 9:31 PM

    Thank you sir!

    ReplyDelete
  2. UnknownNovember 19, 2018 at 10:08 PM

    Does C2H2 ethyne acceptable q18?

    ReplyDelete
    Replies
    1. UnknownNovember 19, 2018 at 10:30 PM

      Yeah that's my answer too I'm also wondering

      Delete
    2. UnknownNovember 20, 2018 at 1:27 AM

      Our syllabus has no C4H4 but C2H2 in first chapter

      Delete
  3. UnknownNovember 19, 2018 at 10:36 PM

    Q9 B is wrong, the answer says that it is optically inactive.

    ReplyDelete
  4. UnknownNovember 20, 2018 at 12:06 AM

    Sir, for question 17(a)iii is it using NaNO2+HCl also acceptable ? My observation is effervescence occurs and colourless gas evolved.

    ReplyDelete
  5. UnknownNovember 20, 2018 at 12:10 AM

    Q16(b) iii ethanoyl chloride can be correct ?

    ReplyDelete
    Replies
    1. UnknownNovember 20, 2018 at 1:26 AM

      Ethanoyl chloride should be incorrect becuase there is 3 carbon atoms present

      Delete
  6. UnknownNovember 20, 2018 at 8:24 AM

    if the chemical equation, i just wrote out the main product, but didnt write side product like CO2 , is it the mark will be deducted?
    I dont balance the equation too,...

    ReplyDelete
  7. yew chi jianNovember 20, 2018 at 9:13 AM

    17a)iii. Will using nitrous acid being accepted? My observation is gas bubbles of nitrogen is released.

    ReplyDelete
  8. UnknownNovember 20, 2018 at 10:15 AM

    Hi sir. .Displayed formula can be accepted in stpm?

    ReplyDelete
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