英皇_2006_mock_chem_I_chris

英皇_2006_mock_chem_...

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Unformatted text preview: Prepared by Chris Tse CHEMISTRY Paper 1 Chris Tse Chris Tse z 極具實力- 香港大學榮譽理學士、港大教育深 造證書。十多年教授會考 / 高考化學科經驗。對 考試要求、評分標準及考生常犯錯誤瞭如指掌。 z 廣受歡迎- 曾接受眾多媒體,如《香港電台》、 《新城電台》、《有線電視》、《明報》和《學友 社》邀請,接受訪問及撰寫考試專欄。更連續 數年被《香港學生福利聯盟》和《小童群益會》 邀請主講中五和中七考試講座,反應熱烈。 z 筆記獨到- 清晰詳盡並附以考試要訣、溫習心 得和大量練習題目,廣受同學歡迎。同學均認 為,只溫謝 Sir 筆記,已經足夠應付考試。 z 課堂生動- 上課節奏明快,並利用具體例子來 說明抽象理論,令同學可在短時間內掌握和應 用化學上的重要課題。 z 成績卓越- 謝 Sir 所教學生無數,會考和高考 都有眾多同學考獲優良成績。 1 © by Chris Tse Chemistry Mock Examination 2006 Prepared by Chris Tse 2 © by Chris Tse Section A Answer ALL questions. Write your answers in the spaces provided. 1. (a) Burning magnesium reacts with sulphur dioxide to give magnesium oxide and sulphur. (i) Write an equation for the above reaction. (ii) In terms of oxidation number, show that the above reaction is a redox reaction. (iii) Draw the electron diagram for magnesium oxide, showing the outermost shell electrons only. (b) When magnesium reacts with dilute sulphuric acid, hydrogen gas is given off. (i) Give TWO observable changes of the above reaction. (ii) Suggest a method for the collection of hydrogen gas. (iii) How can you show that the gas collected is hydrogen ? (c) The “hydrogen balloons” sold during festivals are not actually filled with hydrogen....
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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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