| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hydrogen combined with oxygen | 0.53 | 0.3 | 8820 | 10 | 29 |
| hydrogen | 0.73 | 0.7 | 4624 | 77 | 8 |
| combined | 1.95 | 0.1 | 8652 | 48 | 8 |
| with | 1.31 | 0.3 | 2687 | 6 | 4 |
| oxygen | 1.43 | 0.5 | 7851 | 22 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hydrogen combined with oxygen | 1.01 | 0.8 | 9520 | 37 |
