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REPORT ON THE EXAMINATION – AS LEVEL CHEMISTRY – 7404/2 – JUNE 2023 3 of 7 General This examination of the AS specification highlighted some key points about students’ performance that may prove useful. Students need to: • be very familiar with all the practical procedures contained in the specification and, very
- Examiner report (A-level) : Paper 2 Organic and physical chemistry ...
REPORT ON THE EXAMINATION – A-LEVEL CHEMISTRY – 7405/2 –...
- Examiner report (A-level) : Paper 2 Organic and physical chemistry ...
Example 1: What is the pH of an acidic solution? Example 2: Name two magnetic materials.
There is a periodic table on the back cover of the paper. Advice• • Read each question carefully before you start to answer it. • Try to answer every question. Check your answers if you have time at the end. You must have: Calculator, ruler Chemistry PAPER 2 Higher T ier 1CH0/2H Tuesday 13 June 2023 Morning (Time: 1 hour 45 minutes)
REPORT ON THE EXAMINATION – A-LEVEL CHEMISTRY – 7405/2 – JUNE 2023 3 of 7 Question 1 Required Practical Activity 7 01.1 This unfamiliar practical question proved difficult and relatively few students scored the mark for an appreciation that the narrow neck of a conical flask will reduce the loss of droplets of liquid in
Cambridge IGCSE Chemistry (0620) Past papers, examiner reports and specimen papers. You can download one or more papers for a previous session. Please note that these papers may not reflect the content of the current syllabus.
«% H =» 8.2% . OR «n(H) =» 8.12 «mol» «empirical formula =» C 3H 6O 2 Award [2] for the simplest ratio “1.5 C: 3 H: 1 O”. 3. 1. (b) m/z 74: molecular ion / M+ / C 3H 6O 2 + m/z 45: COOH + / C. 2. H. 5. O + Accept loss of CH. 3. CH. 2 / C. 2. H. 5 / CHO for m/z 45. 2. 1. (c) C. 3. H. 6. O. 2 Accept C. 2. H. 5. COOH / CH. 3. CH. 2 ...
Course report 2023 Higher Chemistry . This report provides information on candidates’ performance. Teachers, lecturers and assessors may find it useful when preparing candidates for future assessment. The report is intended to be constructive and informative, and to promote better understanding. You
