| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| is nitric acid harmful | 0.56 | 0.2 | 1258 | 1 | 22 |
| is | 0.26 | 0.7 | 3577 | 88 | 2 |
| nitric | 0.68 | 0.4 | 9627 | 56 | 6 |
| acid | 0.87 | 0.4 | 9590 | 32 | 4 |
| harmful | 0.35 | 0.1 | 7218 | 8 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is nitric acid harmful | 0.31 | 0.9 | 5474 | 16 |
| is nitric acid harmful to human | 0.61 | 0.5 | 1953 | 15 |
| is nitric acid harmful to the environment | 0.37 | 0.4 | 5015 | 88 |
| nitric acid harmful effects | 0.19 | 0.7 | 6486 | 2 |
| is nitric acid deadly | 0.95 | 0.9 | 4499 | 63 |
| is nitric acid safe | 1.53 | 0.6 | 3737 | 21 |
| chemical and health concerns of nitric acid | 1.72 | 0.9 | 6747 | 92 |
| nitric acid health hazards | 0.61 | 1 | 9935 | 22 |
| risks of nitric acid | 1.16 | 0.2 | 640 | 55 |
| hazards of nitric acid | 1.82 | 0.8 | 2611 | 35 |
| nitric acid safety hazards | 0.68 | 0.7 | 2764 | 39 |
| nitric acid hazard information | 1.43 | 0.6 | 8009 | 91 |
| negative effects of nitric acid | 0.34 | 0.9 | 7035 | 69 |
| nitric acid health effects | 0.42 | 1 | 8651 | 15 |
| nitric acid effect on humans | 1.03 | 0.8 | 5639 | 85 |
| nitric acid human health effects | 0.83 | 0.7 | 7874 | 6 |
| dangers of nitric acid fumes | 0.57 | 0.8 | 858 | 36 |
| nitric acid 90% hazards | 0.6 | 0.4 | 1637 | 30 |
| nitric acid and health | 1.92 | 1 | 5062 | 48 |
