| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why is nitric acid hazardous | 1.4 | 0.2 | 3442 | 98 |
| how dangerous is nitric acid | 1.7 | 0.7 | 2473 | 91 |
| hazards of nitric acid | 0.69 | 0.8 | 6910 | 29 |
| is nitric acid harmful | 0.33 | 0.4 | 633 | 42 |
| nitric acid health hazards | 1.31 | 0.7 | 7614 | 99 |
| concentrated nitric acid hazards | 0.58 | 1 | 3883 | 25 |
| nitric acid safety hazards | 0.32 | 0.7 | 7588 | 82 |
| dangers of nitric acid | 1.61 | 1 | 3932 | 9 |
| is nitric acid toxic | 0.14 | 0.3 | 1846 | 93 |
| chemical and health concerns of nitric acid | 1.55 | 0.1 | 5714 | 91 |
| risk of nitric acid | 0.7 | 0.4 | 9139 | 46 |
| is nitric acid harmful to human | 1.79 | 1 | 6519 | 19 |
| is nitric acid harmful to the environment | 1.87 | 0.9 | 6868 | 84 |
| nitric acid hazard class | 0.72 | 0.3 | 3829 | 7 |
| nitric acid 90% hazards | 1.26 | 0.9 | 9624 | 41 |
| dangers of nitric acid fumes | 0.14 | 0.9 | 643 | 21 |
| negative effects of nitric acid | 1.88 | 0.7 | 6398 | 16 |
| nitric acid effect on humans | 0.51 | 0.9 | 3398 | 77 |
| nitric acid hazard classification | 1.81 | 0.5 | 2750 | 73 |
| nitric acid health effects | 1.57 | 0.4 | 7746 | 53 |
| nitric acid environmental effects | 0.3 | 0.4 | 6471 | 86 |
| environmental impact of nitric acid | 1.59 | 0.1 | 8479 | 92 |
