Environment & Ecology · Environmental Studies
चूने और फिटकरी का उपयोग करके पानी से अत्यधिक फ्लोराइड को हटाने की तकनीक को आमतौर पर किस नाम से जाना जाता है?
- 1अवसादन (सेडिमेंटेशन) तकनीक
- 2आयन विनिमय (आयन एक्सचेंज) तकनीक
- 3नालगोंडा तकनीक✓
- 4सोडिस (SODIS) विधि
सही उत्तर देखें
नालगोंडा तकनीक
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