| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| copper oxide is acidic or basic | 1.26 | 0.6 | 4447 | 60 |
| is copper a basic oxide | 0.14 | 1 | 522 | 93 |
| copper oxide base or acid | 1.48 | 0.4 | 8936 | 78 |
| copper oxide + acid | 0.79 | 0.1 | 9283 | 49 |
| is copper oxide basic in nature | 1.43 | 0.5 | 6106 | 12 |
| is copper an oxide | 0.91 | 1 | 8167 | 64 |
| is copper oxide an alkali | 1.31 | 0.5 | 6329 | 32 |
| copper + what copper oxide | 1.9 | 0.7 | 39 | 68 |
| copper oxide alkali or base | 0.11 | 1 | 2222 | 2 |
| is copper oxide a base | 0.36 | 0.8 | 3127 | 69 |
| what substance is copper oxide | 1.51 | 0.5 | 3128 | 70 |
| the nature of copper oxide is | 1.22 | 0.1 | 6532 | 76 |
| is copper oxide an element | 0.4 | 0.4 | 351 | 29 |
| what type of substance is copper oxide | 1.23 | 0.2 | 9442 | 70 |
| is copper oxide ionic | 1.5 | 0.6 | 867 | 10 |
| copper oxide + sulfuric acid | 0.48 | 0.8 | 7946 | 3 |
