Environment & Ecology · Environmental Engineering
तृतीयक अपशिष्ट जल उपचार में रोगजनक हटाने के चरण के लिए आमतौर पर निम्नलिखित में से किस कीटाणुनाशक का उपयोग किया जाता है? A. क्लोरीन B. ओजोन C. पराबैंगनी (UV) प्रकाश D. हाइड्रोजन पेरोक्साइड
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1उपरोक्त सभी
- 2केवल A और D
- 3केवल A, B, और C✓
- 4केवल B और D
सही उत्तर देखें
केवल A, B, और C
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