 |
| |||
| zakwaszenie n (dodanie kwasu do roztworu tak, aby pH spadło poniżej 7.0) | |||
| acidificação: 3 phrases in 2 subjects |
| Environment | 2 |
| General | 1 |
|
| |||
| zakwaszenie n (dodanie kwasu do roztworu tak, aby pH spadło poniżej 7.0) | |||
| acidificação: 3 phrases in 2 subjects |
| Environment | 2 |
| General | 1 |