| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| formation of iron oxide | 0.73 | 1 | 6160 | 8 | 23 |
| formation | 0.87 | 0.4 | 6620 | 56 | 9 |
| of | 0.58 | 0.9 | 1948 | 28 | 2 |
| iron | 0.95 | 0.7 | 5178 | 88 | 4 |
| oxide | 1.39 | 0.8 | 6010 | 70 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| formation of iron oxide | 0.56 | 0.1 | 7439 | 35 |
