英皇_2006_mock_chem_I_Samuel

英皇_2006_mock_chem_...

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Unformatted text preview: Prepared by Dr. Samuel Chong CHEMISTRY Paper 1 Dr. Samuel Chong Dr. Samuel Chong 博士級名師 z 英皇教育首席化學科名師,課程以高質素高效率 見稱。 z 英皇教育唯一博士級 化學科名師。 z 香港大學化學系 博士及榮譽學士畢業。 z 具有多年大學科研經驗,為化學科專家 。 z 本學年已有數以千計同學報讀莊博士的課程,絕 對是信心保證。 z 學生成績超卓,極多報讀學生奪取 A,B 及 C 級 成績 。 z 學生口碑絕讚,成績突飛猛進。 z 04 及 05 年應邀為學生褔利聯盟 (SWA) 於沙田大 會堂及灣仔會展舉行之會考及高考講座作化學 科主講嘉賓 。 z 具有多年補習經驗 ,對考試的趨勢瞭如指掌,並 迅速地教授學生答題絕技。 2006-CE-CHEM 1-1 2006-CE CHEM PAPER 1 HONG KONG CERTIFICATE OF EDUCATION EXAMINATION CHEMISTRY PAPER 1 Question-Answer Book 8:30 am – 10:15 am (1 3 / 4 hours) This paper must be answered in English 1. This paper consists of TWO sections, Section A and Section B. Section A carries 54 marks and Section B carries 36 marks. 2. Answer ALL questions in each section. 2006-CE-CHEM 1-2 - 2 - © by Dr. Samuel Chong Chemistry Team SECTION A Answer ALL questions. 1. The following flow diagram shows a list of processes about limestone and other calcium containing substances. Limestone heat compound A + gas B Limewater slaked lime (a) (i) What is the chemical name of limestone? (ii) State the expected observation if dilute hydrochloric acid is added to limestone. (b) (i) Name compound A and gas B? (ii) State the colour you expected to observe in flame test of compound A. (iii) Suggest a chemical test to identify gas B. (c) What is the chemical name of slaked lime? State one daily use of slaked lime. (8 marks) water gas B water 2006-CE-CHEM 1-3 - 3 - © by Dr. Samuel Chong Chemistry Team 2. There is a mixture of gases in the atmosphere. The following is the arrangement of atoms of one of the gases, oxygen gas. (a) State the types of force present in oxygen gas. (b) (i) Suggest a method to separate oxygen gas from other gases in the atmosphere. (ii) State the underlying principle of the method. (c) If oxygen is liquefied, do you think that it is a good conductor of electricity? Explain. (6 marks) 2006-CE-CHEM 1-4 - 4 - © by Dr. Samuel Chong Chemistry Team 3. For each of the following pairs of substances, suggest a chemical test to distinguish one substance from the other and state the expected observations. (a) concentrated sulphuric acid and concentrated nitric acid (b) propene and propan-1-ol (4 marks) 2006-CE-CHEM 1-5 - 5 - © by Dr. Samuel Chong Chemistry Team 4. The following experiment is to study the electrolysis of lead(II) bromide. P and Q are zinc electrodes while R and S are carbon electrodes....
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This note was uploaded on 09/02/2011 for the course CHINESE 12 taught by Professor Cn during the Spring '11 term at CNUAS.

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英皇_2006_mock_chem_...

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