Chemistry · Water Treatment
पानी में अवशिष्ट मुक्त क्लोरीन का निर्धारण करने के लिए उपयोग किया जाने वाला परीक्षण कौन सा है?
- 1ऑर्थो-टोल्यूडीन टेस्ट (Ortho-toluidine test)✓
- 2ऑक्सीडेज टेस्ट (Oxidase test)
- 3कैटलेज टेस्ट (Catalase test)
- 4शिट टेस्ट (Schick test)
सही उत्तर देखें
ऑर्थो-टोल्यूडीन टेस्ट (Ortho-toluidine test)
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