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It's on the Enem: in today's video lesson, we'll explain the stages of water treatment, a topic that may be covered in your Enem exam or other entrance exams. Don't miss it! Want to know more about the subject? Brasil Escola Water Treatment - http://brasilescola.com/quimica/trata... Coagulation and Flocculation - http://brasilescola.com/quimica/coagu... What is decantation? - http://brasilescola.com/o-que-e/quimi... Mundo Educação Decantation - http://mundoeducacao.com/quimica/deca... Flocculation - http://mundoeducacao.com/quimica/floc... Flotation - a process of separating mixtures - http://mundoeducacao.com/quimica/flot... Addition of chlorine to water - http://mundoeducacao.com/quimica/adic... Alunos Online Sedimentation and Decantation - http://alunosonline.com.br/quimica/se... Flotation - http://alunosonline.com.br/quimica/fl... Separation of mixtures - http://alunosonline.com.br/quimica/se... Escola Kids Water Treatment - http://escolakids.com/ciencias/tratam... Chemistry Manual Methods of Separation of Mixtures - http://manualdaquimica.com/quimica-ge... Follow us: Brasil Escola: http://www.brasilescola.com/ Facebook: / brasilescola Instagram: / brasilescolaoficial #Enem #BrasilEscola #Chemistry