2022 VS Chem Prelims P1

Class Register Number Name 6092/01 CHEMISTRY 22/4P/6092/1 PAPER 1 Monday 12 September 2022 1 hour VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA VICTORIA SCHOOL PRELIMINARY EXAMINATION SECONDARY FOUR Additional materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Write your name, class and index number on all the work you hand in. Do not use staples, paper clips, glue or correction fluid. 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 that 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. The use of an approved scientific calculator is expected, where appropriate. A copy of Periodic Table is printed on page 16. This question paper consists of 16 printed pages, including the cover page. [Turn Over ���

2 ©Victoria School 22/4P/6092/1 1 Which statement about states of matter is correct? A When a liquid reaches its boiling point , it becomes a gas. This process is called evaporation. B When a gas condenses, it becomes a liquid and energy is lost to the surroundings. C When a solid changes directly to a gas, the process is called deposition. D When a solid melts, the particles get further apart and have less energy. 2 The diagram shows apparatus 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? ���

3 ©Victoria School 22/4P/6092/1 3 The colours in a soft drink , X, was analysed by chromatography. The experiment was performed using two different solvents, water and ethanol. The results are shown below. How would the final chromatogram appear if only mixture X was first developed in water, then turned through 90° anticlockwise and edge PQ was placed in ethanol?