| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | acid rain | Europe | Acid rain is a well-known environmental issue caused by industrial pollution and is a concern for ecosystems and infrastructure. | 1 |
| 2 | acid rain | Europe | Caused by emissions from industrial and vehicular sources, leading to environmental damage and ecosystem harm | 1 |
| 3 | boric acid | Europe | Used as a household cleaner and insecticide | 1 |
| 4 | boric acid | Europe | Used as an antiseptic and insecticide | 1 |
| 5 | hydrochloric acid | Europe | Commonly used in science labs for experiments and demonstrations | 1 |
| 6 | hypochlorous acid | Europe | Used as a disinfectant for cleaning and sanitizing surfaces | 1 |
| 7 | picric acid | Europe | Picric acid is known for its use as a yellow dye and as an explosive compound. | 1 |