Environment & Ecology · Environmental Studies
एक विशिष्ट जल उपचार संयंत्र में कठोर भूमिगत जल (hard groundwater) के उपचार का प्रारंभिक चरण से अंतिम चरण तक का सही क्रम क्या है? (A) कीटाणुशोधन (Disinfection) (B) मृदुकरण (Softening) (C) वातन (Aeration) (D) निस्पंदन (Filtration) नीचे दिए गए विकल्पों में से सही उत्तर चुनिए:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(D), (B), (A), (C)
- 2(D), (B), (C), (A)
- 3(C), (B), (A), (D)
- 4(C), (B), (D), (A)✓
सही उत्तर देखें
(C), (B), (D), (A)
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