| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| basic chemistry course online free | 1.39 | 0.2 | 8908 | 1 |
| chemistry free online course | 0.11 | 0.3 | 9774 | 29 |
| learn basic chemistry online | 1.64 | 0.4 | 8066 | 11 |
| chemistry college course online free | 0.18 | 0.1 | 6919 | 3 |
| chemistry courses online free | 1.01 | 0.7 | 8400 | 73 |
| free online chemistry courses | 1.42 | 0.8 | 2607 | 53 |
| free online basic chemistry courses | 0.64 | 1 | 1912 | 66 |
| organic chemistry online course free | 1.94 | 0.6 | 8154 | 84 |
| medicinal chemistry free online course | 1.85 | 0.7 | 5346 | 44 |
