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2007 HKAL/HKASL Chemistry Examination

2007 HKAL/HKASL Chemistry Examination. Pau Chiu Wah 19.3.2004. 1992 Implementation of AS curriculum. 1994 First ASL examination. 1995 First exam of last CE syllabus. 1997 First exam of current AL syllabus. 2002 Introduction of Comprehension Q. in AL exam. 2005 First exam of new CE syllabus.

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2007 HKAL/HKASL Chemistry Examination

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  1. 2007 HKAL/HKASL Chemistry Examination Pau Chiu Wah 19.3.2004

  2. 1992 Implementation of AS curriculum 1994 First ASL examination 1995 First exam of last CE syllabus 1997 First exam of current AL syllabus 2002 Introduction of Comprehension Q. in AL exam 2005 First exam of new CE syllabus 2007 First exam of new AL/ASL syllabuses 2011(?) First exam of NSS curriculum, last AL/ASL exam 2008(?) Implementation of NSS curriculum

  3. 2007 HKAL Chemistry Examination (finalised) • Written Examination (80%) Paper 1 (3 hours) Paper 2 (3 hours) • Practical Examination (20%) Teacher Assessment Scheme or Practical Examination (3 hours) (private candidates only)

  4. Paper 1 • Section A (60%) - short questions + comprehension questions • Section B (20%) - questions on practical chemistry • Section C (20%) - essay questions - 1 out of 2 questions

  5. Paper 2 • Section A (60%) - structured questions on topics 1 to 10 - 3 out of 4 questions • Section B (40%) - structured questions on topics 11 to 13 - 2 out of 3 questions

  6. 2007 HKASL Chemistry Examination • Written Examination (80%) Paper 1 (1½ hours) Paper 2 (1½ hours) • Practical Examination (20%) Teacher Assessment Scheme

  7. Paper 1 • Section A (40% of Written Exam) - short questions - comprehension questions - practical chemistry - compulsory questions • Section B (10% of Written Exam) - essay questions - 1 out of 2 questions Paper 2 - structured questions (50% of Written Exam) - 3 out of 4 questions

  8. A Level AS Level Paper 1 8:30 am to 10:00 am Paper 1 8:30 am to 11:30 am Paper 2 1:30 pm to 3:00 pm Paper 2 1:30 pm to 4:30 pm

  9. Sample Question Papers for AL and ASL Examinations (will be circulated in June 2005)

  10. Features of the Sample Papers • Standard reduction potentials will be provided (AL papers) • Most questions are extracted/modified from exam papers of previous years • A table highlighting the questions on the new topics will be provided

  11. Some sample questions

  12. Question on spontaneity of Reactions • Paper 2 Q.2 (d) • Account for each of the following: • NH4Cl(s) dissolves in water spontaneously even though the process is exothermic. • Although the reaction of H2(g) with O2(g) is a highly exothermic process, it does not readily at room temperaure. • (4 marks)

  13. A question on drugs

  14. A question on drugs a penicillin • Identify the chiral carbon atoms. • Which of the two amide linkages is more susceptible to acidic hydrolysis? • Why is the drug not taken together with fruit juices?

  15. Teachers Assessment Scheme

  16. Thank you

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