| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| can formaldehyde form hydrogen bonds | 0.84 | 1 | 8196 | 80 | 36 |
| can | 0.15 | 0.8 | 6005 | 1 | 3 |
| formaldehyde | 0.37 | 0.3 | 8467 | 44 | 12 |
| form | 0.71 | 0.3 | 8528 | 19 | 4 |
| hydrogen | 0.68 | 0.3 | 8318 | 45 | 8 |
| bonds | 1.67 | 0.5 | 6318 | 53 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| can formaldehyde form hydrogen bonds | 1.27 | 0.5 | 5247 | 78 |
| formaldehyde type of bonds | 0.11 | 0.2 | 147 | 58 |
| how does formaldehyde form | 0.46 | 0.2 | 1281 | 23 |
| what does form in formaldehyde | 1.9 | 0.2 | 3524 | 58 |
| how formaldehyde is formed | 0.14 | 0.2 | 4602 | 65 |
| which molecule is formaldehyde | 1.52 | 0.9 | 9961 | 5 |
| what makes up formaldehyde | 0.68 | 0.7 | 700 | 52 |
| how is formaldehyde produced | 1.1 | 0.8 | 5924 | 70 |
| consider the structure of formaldehyde | 1.98 | 0.3 | 968 | 93 |
| what has formaldehyde in it | 0.27 | 1 | 6248 | 42 |
| why is formaldehyde a gas | 0.38 | 0.3 | 8775 | 65 |
| how is formaldehyde made | 0.71 | 0.1 | 8591 | 86 |
| is formaldehyde a base | 0.27 | 0.3 | 764 | 99 |
| formaldehyde not a polymer | 0.48 | 0.1 | 5598 | 62 |
| does the body produce formaldehyde | 1.43 | 0.9 | 854 | 69 |
