| • स्थायी कठोरता | |
| permanent: कृत्रिम लट | |
| hardness: मज़बूती सख़्ती | |
permanent hardness meaning in Hindi
permanent hardness sentence in Hindi
Examples
- Calcium sulfate causes permanent hardness in water.
| • स्थायी कठोरता | |
| permanent: कृत्रिम लट | |
| hardness: मज़बूती सख़्ती | |