2021 SASS 4E Chem MYE P2

Mid-Year Examination 2021/4 Express/Chemistry/Paper 2 1 SCI7015GD © SAS 2021 icon Candidate Name ________________________________________ CHEMISTRY 6092/2 Paper 2 Thursday 29 April 2021 1 hour 45 minutes READ THESE INSTRUCTIONS FIRST Do not open this question paper until you are told to do so. Write your name, class and index number in the spaces provided on this question paper. Write in dark blue or black pen. You may use a pencil for any diagrams or graphs. Do not use staples, paper clips, glue or correction fluid. Section A Answer all questions in the spaces provided. Section B Answer all three questions, the last question is in the form either/or. Answer all questions in the spaces provided. The number of marks is given in brackets [ ] at the end of each question or part question. A copy of the Periodic Table is printed on page 20. The use of an approved scientific calculator is expected, where appropriate. This question paper consists of 20 printed pages. Class Index Number [Turn over ST ANDREW’S SECONDARY SCHOOL MID–YEAR EXAMINATION 2021 SECONDARY 4 EXPRESS ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL ST ANDREW’S SCHOOL 80 FOR EXAMINER'S USE

Mid-Year Examination 2021/4 Express/Chemistry/Paper 2 3 [Turn Over Section A Answer all questions in this section in the spaces provided. The total mark for this section is 50. A1 The positions of the elements in the Periodic Table often reflect their properties. Fig 1.1 shows the positions of some elements. Fig 1.1 Answer the following questions about elements A, B, C, D, E, F, G and H. Each element may be used once, more than once or not at all. (a) Identify the element that (i) forms an aqueous hydroxide and an insoluble sulfate, ...................... [1] (ii) has the largest atomic radius and a valency of 1, ...................... [1] (iii) has the lowest boiling point, ...................... [1] (iv) represents the strongest redu