Chemistry · Water Purification
तलछट (sedimentation) को तेज करके शुद्धिकरण की सुविधा के लिए पारंपरिक रूप से गंदे पानी में कौन सा सामान्य रासायनिक स्कंदक (coagulant) मिलाया जाता है?
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