2024 Fuhua Sec 4E Chemistry P1

Candidate Name: Class: Index No.: FUHUA SECONDARY SCHOOL Secondary Four Express PRELIMINARY EXAMINATION 2024 4E Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School CHEMISTRY 6092/01 Paper 1 Multiple Choice Additional Material: Optical Mark Recognition (OMR) DATE 28 August 2024 TIME 0800 – 0900 DURATION 1 hour READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, class, index number on the OMR and this question booklet. There are forty questions on this paper. Answer all questions. For each question, there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate OMR. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done on this paper. A copy of the Periodic Table is printed on page 15. The use of an approved scientific calculator is expected, where appropriate. FOR EXAMINER’S USE PARENT’S SIGNATURE 40 Setter: Mr Nicholas Liu Vetter: Mdm Hia Soo Ching This document consists of 15 printed pages, including this page.

2 1 Nitrogen dioxide gas is almost twice as dense as nitrogen gas. A gas jar of nitrogen dioxide was placed on top of a gas jar of nitrogen gas with the open ends together. After half an hour, which of these statements would be true? A Both gases would not have mixed. B The bottom gas jar contained nitrogen gas only. C The top gas jar contained nitrogen dioxide gas only. D Some of each gas would have moved into the other gas jar. 2 The diagram shows the apparatus used to separate hexane (boiling point 70oC) and water. Which graph would be obtained if the temperature at point T was plotted against the total volume of distillate collected? 70 80 90 100 temperature/°C total volume of distillate 70 80 90 100 temperature/°C total volume of distillate C 70 80 90 100 temperature/°C Total volume of distillate D 70 80 90 100 temperature/°C total volume of distillate A B T

3 3 A student titrated 25.0 cm3 of sodium hydroxide with hydrochloric acid. The diagram shows the volume of hydrochloric acid in the burette at the start and the end of the titration