| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| chemical and health concerns of nitric acid | 0.9 | 0.4 | 4664 | 11 |
| chemical and health concerns of nitric oxide | 0.7 | 1 | 9369 | 4 |
| nitric acid human health effects | 1.26 | 0.6 | 61 | 77 |
| risk of nitric acid | 0.12 | 1 | 5557 | 25 |
| nitric acid and health | 1.39 | 0.8 | 7175 | 60 |
| negative effects of nitric acid | 2 | 0.5 | 7110 | 9 |
| effects of nitric acid | 0.02 | 0.4 | 3597 | 19 |
| why is nitric acid dangerous | 1.01 | 1 | 9523 | 84 |
| is nitric acid harmful | 1.04 | 1 | 6236 | 51 |
| nitric acid hazard information | 1.7 | 0.2 | 7266 | 96 |
| how dangerous is nitric acid | 0.89 | 0.6 | 4196 | 46 |
| nitric acid effect on humans | 0.5 | 0.9 | 8165 | 11 |
| concentrated nitric acid hazards | 0.25 | 0.2 | 7404 | 7 |
| nitric acid safety hazards | 0.53 | 0.6 | 2597 | 21 |
| is nitric acid harmful to human | 0.24 | 0.4 | 9328 | 60 |
| nitric acid human health risk inhalation | 0.52 | 0.8 | 4644 | 49 |
| nitric acid effects on the body | 0.14 | 0.2 | 7599 | 74 |
| nitric acid 90% hazards | 0.88 | 0.5 | 9677 | 24 |
| nitric acid effect on human body | 1.33 | 0.5 | 1115 | 30 |
| nitric acid environmental effects | 1.43 | 0.9 | 5628 | 41 |
