The Common Last Topic highlighted in yellow (syllabus content) will not be tested in 2021 O Level/A Level National Examination. Click on the SEAB link for more details.
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| Subject (Code) | CLT | SEAB Link |
| O Level Pure Chemistry (6092) | Organic Chemistry | O Level Pure Chemistry |
| O Level A-Maths (4049) | Plane Geometry | O Level A-Maths |
| O Level E-Maths (4048) | Vectors | O Level E-Maths |
| A Level H2 Chemistry (9729) | Transition Metals | A Level H2 Chemistry |
“With reference to 2020 O Level Pure Chemistry Exam Papers. There’s a lot of organic chemistry questions (and marks allocated) which was struck off (and NOT replaced by questions from the key topics). As such, students must now ensure that they know their other topics very well, especially the smaller and less important topic. That few questions from such “smaller” topics now suddenly has very high weighting’s when it comes to marks.“
Mr Sean Chua – 10 Year Series Book Author for O Level & A Level Chemistry