FHSS Chem Prelim P1

Candidate Name: Class Index No. FUHUA SECONDARY SCHOOL 4E Secondary Four Express Preliminary Examination 2025 Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Seconda ry Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Seconda ry Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Secondary Fuhua Seconda ry Fuhua Secondary CHEMISTRY 6092/01 Paper 1 Multiple Choice 03 September 2025 0800 – 0900 1 hour Additional Material: Optical Mark Recognition (OMR) 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 13. The use of an approved scientific calculator is expected, where appropriate. Setter: Mr Elton Tan Vetter: Mr Nicholas Liu This question paper consists of 13 printed pages including this page. PARENT'S SIGNATURE FOR EXAMINER'S USE 40

2 1 The melting points and boiling points of four substances are shown. Which substance exist as a monatomic gas at –200°C? substance melting point / °C boiling point / °C A argon –189 –186 B hydrogen –259 –253 C neon –249 –246 D nitrogen –210 –196 2 The diagram shows a set-up used to separate hexane (boiling point, 70 °C) and heptane (boiling point, 98 °C). Which graph would be obtained if the temperature at point T was plotted against the total volume of distillate collected? A B C D

3 3 A student wants to show that the rate of the reaction between a fixed mass of calcium carbonate and dilute hydrochloric acid doubles for every 10 °C rise in temperature. The student wants to measure the volume of carbon dioxide released to find the rate of reaction. The student has a measuring cylinder and a gas syringe. What other essential apparatus are required? A Bunsen burner, burette, electronic balance, stopwatch B Bunsen burner, electronic balance, stopwatch, thermometer C Bunsen burner, pipette, stopwatch, thermometer D burette, pipette, electronic balance, thermometer 4 Some properties of substances X, Y and Z are given in the table below. substance percentage composition by mass solid conducts electricity ch