Chem S3 EOY 2023 HYSS P1, P2

Name: Index Number: Class: HUA YI SECONDARY SCHOOL Summative Review CHEMISTRY 6092/1 Paper 1 2 October 2023 1 hour 45 minutes Paper 1 and 2 Candidates answer on the Multiple Choice Answer Sheet provided. Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write your name, index number and class on all the work you have done. Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. There are twenty 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 Answer Sheet. Read the instructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. For Examiner’s Use Paper 1 This document consists of 9 printed pages including the cover page. © HYSS 2023 No part of this document may be reproduced in any form or transmitted in any form or by any means without the prior permission of Hua Yi Secondary School. [Turn Over Setter: Ms Tok Peilin 3-G3 3-G3

2 HYSS 3G3 Chemistry SR 2023 Hua Yi Secondary School 1 The diagram shows the reading on a burette at the start and end of an experiment. What volume of the liquid was removed from the burette? A 25.80 cm3 B 26.60 cm3 C 27.40 cm3 D 28.20 cm3 2 Which of the following best describes a pure substance? A A colourless solution obtained from filtration. B A white solid with a density of 2 g/cm3. C A white solid that does not dissolve in water or organic solvents. D A yellow solid that melts at 60 °C. 3 The boiling point of water is 100 ºC. The melting point of sodium chloride is 800 ºC. What is the most likely boiling point of a sample of water that contains a small quantity of sodium chloride? A 96 °C B 104 °C C 450 °C D 804 °C 4 Mercury is a liquid at 25 °C. What is the melting point and the boiling point for mercury? melting point / °C boiling point / °C A –39 357 B –22 –3 C –8 20 D 30 103 start end

3 HYSS 3G3 Chemistry SR 2023 Hua Yi Secondary School 5 The solubility of three solids in two solvents, water and methylbenzene, is given in the following table. solid solubility in water solubility in methylbenzene P insoluble insoluble Q good insoluble R insoluble good What method would be suitable for obtaining P from a mixture of the three solids? A Add methylbenzene and stir; then filter. B Add methylbenzene and stir; then filter; then add the residue to wate