2018 DSE 化学-Chemistry 真题 答案 详解

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答案(中文)

評卷參考

本文件供閱卷員參考而設，並不應被視為標凖答案。考生及沒有參與評卷工作的教師在詳釋文件內容時應小心謹慎。

化學科 卷一 甲部

第一部分 第二部分
題號 答案 題號 答案
1. B(56%) 25. D(76%) 2. C(70%) 26. B(71%) 3. D(78%) 27. A(57%) 4. D(60%) 28. B(69%) 5. C(80%) 29. B(48%) 6. B(65%) 30. D(83%) 7. B(68%) 31. B(43%) 8. C(82%) 32. D(45%) 9. A(59%) 33. A(58%) 10. A(63%) 34. C(55%) 11. D(50%) 35. A(59%) 12. B(79%) 36. C(65%) 13. B(75%)
14. C(49%)
15. C(83%)
16. A(65%)
17. D(42%)
18. A(66%)
19. D(68%)
20. A(63%)
21. B(41%)
22. A(72%)
23. C(47%)
24. C(48%)

註：括號內數字為答對百分率。

答案(英文)

Marking Schemes

This document was prepared for markers' reference. It should not be regarded as a set of model answers. Candidates and teachers who were not involved in the marking process are advised to interpret its content with care.

Chemistry Paper 1 SECTION A

Question No. Key Question No. Key

Part I Part II

1. B (56%) 25. D (76%)

2. C (70%) 26. B (71%)

3. D (78%) 27. A (57%)

4. D (60%) 28. B (69%)

5. C (80%) 29. B (48%)

6. B (65%) 30. D (83%)

7. B (68%) 31. B (43%)

8. C (82%) 32. D (45%)

9. A (59%) 33. A (58%)

10. A (63%) 34. C (55%)

11. D (50%) 35. A (59%)

12. B (79%) 36. C (65%)

13. B (75%)

14. C (49%)

15. C (83%)

16. A (65%)

17. D (42%)

18. A (66%)

19. D (68%)

20. A (63%)

21. B (41%)

22. A (72%)

23. C (47%)

24. C (48%)

Note: Figures in brackets indicate the percentages of candidates choosing the correct answers.

44

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真题 Paper 1(中文)

評核模式

化學科的公開評核由公開考試和校本評核兩部分組成，概略見於下表：

组成部分	比重	時間
公開考試
試卷一 涵蓋課程必修部分	60%	兩小時三十分鐘
試卷二 涵蓋課程選修部分	20%	一小時
校本評核	20%

試卷一由甲、乙兩部組成，甲部是多項選擇題，佔本科分数18%；乙部由短題目、結構題目和論述題組成，佔本科分数42%。考生須回答試卷一的全部試題。

試卷二由結構題目組成，佔本科分数20%。考生須回答兩個所選取的選修試題。

至於校本評核的詳細要求、規則、評核準則、指引和評核方法等，請參閱本局編訂的香港中學文憑化學科及組合科學科(化學部分)校本評核手册。

3

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真题 Paper 2(中文)

2018-DSE 化學 卷二

香港考試及評核局 2018年香港中學文憑考試

化學 試卷二

本試卷必須用中文作答 一小時完卷（上午十一時四十五分至下午十二時四十五分）

考生須知 (一) 本試卷共有甲、乙和丙三部。考生須選答任何兩部中的全部試題。 (二) 答案須寫在所提供的 DSE(D) 答題簿內，每題(非指分題) 必須另起新頁作答。 (三) 本試卷的第 8 頁印有周期表。考生可從該周期表得到元素的原子序及相對原子質量。

考試結束前不可 將試卷攜離試場

2018-DSE-CHEM 2-1 36

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真题 Paper 1(英文)

2018-DSE CHEM PAPER 1A HONG KONG EXAMINATIONS AND ASSESSMENT AUTHORITY HONG KONG DIPLOMA OF SECONDARY EDUCATION EXAMINATION 2018 CHEMISTRY PAPER 1 8:30 am - 11:00 am (2 hours 30 minutes) This paper must be answered in English GENERAL INSTRUCTIONS 1. There are TWO sections, A and B, in this Paper. You are advised to finish Section A in about 45 minutes. 2. Section A consists of multiple-choice questions in this question paper, while Section B contains conventional questions printed separately in Question-Answer Book B. 3. Answers to Section A should be marked on the Multiple-choice Answer Sheet while answers to Section B should be written in the spaces provided in Question-Answer Book B. The Answer Sheet for Section A and the Question-Answer Book for Section B will be collected separately at the end of the examination. 4. A Periodic Table is printed on page 20 of Question-Answer Book B. Atomic numbers and relative atomic masses of elements can be obtained from the Periodic Table. INSTRUCTIONS FOR SECTION A (MULTIPLE-CHOICE QUESTIONS) 1. Read carefully the instructions on the Answer Sheet. After the announcement of the start of the examination, you should first stick a barcode label and insert the information required in the spaces provided. No extra time will be given for sticking on the barcode label after the 'Time is up' announcement. 2. When told to open this book, you should check that all the questions are there. Look for the words 'END OF SECTION A' after the last question. 3. All questions carry equal marks. 4. ANSWER ALL QUESTIONS. You are advised to use an HB pencil to mark all the answers on the Answer Sheet, so that wrong marks can be completely erased with a clean rubber. You must mark the answers clearly; otherwise you will lose marks if the answers cannot be captured. 5. You should mark only ONE answer for each question. If you mark more than one answer, you will receive NO MARKS for that question. 6. No marks will be deducted for wrong answers. © Hong Kong Examinations and Assessment Authority All Rights Reserved 2018 Not to be taken away before the end of the examination session 2018-DSE-CHEM 1A-1 1 Provided by dse.life

真题 Paper 2(英文)

2018-DSE CHEM PAPER 2 HONG KONG EXAMINATIONS AND ASSESSMENT AUTHORITY HONG KONG DIPLOMA OF SECONDARY EDUCATION EXAMINATION 2018 CHEMISTRY PAPER 2 11:45 am - 12:45 pm (1 hour) This paper must be answered in English INSTRUCTIONS (1) This paper consists of THREE sections, Section A, Section B and Section C. Attempt ALL questions in any TWO sections. (2) Write your answers in the DSE(D) Answer Book provided. Start each question (not part of a question) on a new page. (3) A Periodic Table is printed on page 8 of this Question Paper. Atomic numbers and relative atomic masses of elements can be obtained from the Periodic Table. © Hong Kong Examinations and Assessment Authority All Rights Reserved 2018 Not to be taken away before the end of the examination session 2018-DSE-CHEM 2-1 Provided by dse.life