| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| preparation of oxygen in laboratory | 1.53 | 0.5 | 3691 | 43 | 35 |
| preparation | 0.34 | 0.5 | 9670 | 8 | 11 |
| of | 0.31 | 0.6 | 9886 | 2 | 2 |
| oxygen | 0.02 | 0.3 | 8863 | 33 | 6 |
| in | 1.91 | 0.2 | 9615 | 91 | 2 |
| laboratory | 0.02 | 1 | 7984 | 76 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| preparation of oxygen in laboratory | 1.39 | 0.9 | 1108 | 53 |
| laboratory preparation of oxygen gas | 0.88 | 0.8 | 6698 | 38 |
| preparation of oxygen gas in laboratory pdf | 0.04 | 0.8 | 8588 | 42 |
| how is oxygen prepared in the laboratory | 1.56 | 0.4 | 702 | 81 |
| lab preparation of oxygen gas | 1.88 | 1 | 1417 | 56 |
| preparation of oxygen gas | 0.43 | 0.3 | 8131 | 16 |
| methods of preparing oxygen | 0.1 | 0.7 | 1761 | 31 |
| define preparation of oxygen | 1.02 | 0.1 | 818 | 100 |
| industrial preparation of oxygen | 1.67 | 0.9 | 8796 | 68 |
| image of oxygen preparation | 0.96 | 1 | 687 | 8 |
| how to prepare oxygen | 1.36 | 0.9 | 9758 | 30 |
| preparation of gases in the laboratory | 1.47 | 0.6 | 7771 | 87 |
| how to produce oxygen in lab | 0.42 | 0.3 | 1993 | 74 |
| how is oxygen prepared | 0.12 | 0.6 | 5338 | 94 |
| preparation of carbon dioxide in laboratory | 1.71 | 0.6 | 6319 | 13 |
| preparation of dry oxygen gas | 1.02 | 0.8 | 9093 | 26 |
| how to prepare oxygen locally | 0.59 | 0.9 | 3507 | 54 |
| how to test for oxygen in chemistry | 1.93 | 0.7 | 1749 | 43 |
| process that require oxygen | 0.95 | 0.2 | 9137 | 14 |
