Computer · Environmental Engineering
एक स्कंदक (coagulant) के रूप में फिटकरी (Alum) तब सबसे अधिक प्रभावी पाई जाती है जब पानी का pH मान किस सीमा में होता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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