Summary notes of chemistry at O levels from UK
Hi, these are summary notes of UK GCSE chemistry. They are quite similar to Singapore's GCE exams. https://drive.google.com/file/d/0B88DIbpeBcc5MWFjUmdNeFRyVnc/view?usp=sharing https://drive.google.com/file/d/11jwL2M5jyfPGm0zsZx0kV9EU1d_YcLza/view?usp=sharing