| Share | Phrase |
|---|
| 18.96% | acidic [physical/chemical] solution |
| 11.44% | acidic [physical/chemical] catalyst |
| 9.61% | acidic [physical/chemical] compound |
| 8.75% | acidic [physical/chemical] zeolite |
| 6.32% | acidic [physical/chemical] reactant |
| 5.60% | acidic [physical/chemical] ester |
| 5.11% | acidic [physical/chemical] group |
| 3.95% | acidic [physical/chemical] substance |
| 3.79% | acidic [physical/chemical] condensate |
| 3.79% | acidic [physical/chemical] impurity |
| 3.79% | acidic [physical/chemical] solid |
| 3.26% | acidic [physical/chemical] salt |
| 3.26% | acidic [physical/chemical] material |
| 2.98% | acidic [physical/chemical] product |
| 2.59% | acidic [physical/chemical] oil |
| 2.54% | acidic [physical/chemical] resin |
| 2.37% | acidic [physical/chemical] oxide |
| 1.81% | acidic [physical/chemical] body |