| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| purification of water class 7 | 0.93 | 0.4 | 8212 | 45 | 29 |
| purification | 1.07 | 0.1 | 6303 | 58 | 12 |
| of | 1.7 | 0.5 | 5998 | 42 | 2 |
| water | 1.44 | 0.9 | 2539 | 59 | 5 |
| class | 1.64 | 1 | 9081 | 20 | 5 |
| 7 | 0.65 | 1 | 3860 | 45 | 1 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| purification of water class 7 | 0.14 | 0.2 | 4696 | 27 |
