Autor: Prof. Flávio | Publicado: 2014-04-12T17:50:00-07:00

Boa noite caros alunos!

Estou postando o vídeo e as questões que deverão ser respondidas (assistindo o vídeo) em folha separada e entregue na data de 16/04 (Polivalente) e&nbsp; 22/04 (Nilo Cairo), com o seguinte cabeçalho:&nbsp;&nbsp;&nbsp; 

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; Nome da Escola/ Colégio
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Nome do aluno/ número/ série e turma.
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trabalho de Química
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Tratamento da água

Questões a serem copiadas na folha e respondidas.

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01.&nbsp;&nbsp;
A água bruta captada do manancial para
tratamento é considerada uma mistura homogênea ou heterogênea? Justifique sua
resposta?

02.&nbsp;&nbsp;
Qual a finalidade do uso do carvão ativado no
tratamento da água?

03.&nbsp;&nbsp;
O sulfato de Alumínio é usado na primeira etapa
do tratamento da água com qual finalidade?

04.&nbsp;&nbsp;
Quais são as fases de tratamento da água?
Explique todo processo.

05.&nbsp;&nbsp;
Por que se acrescenta cloro na água? Qual a
dosagem máxima permitida?

06.&nbsp;&nbsp;
Qual a função do flúor adicionado à água?

07.&nbsp;&nbsp;
Como a água potável é distribuída para as
residências?

08.&nbsp;&nbsp;
Qual água apresenta maior condição de consumo, a
água coletada de um poço artesiano ou a de um manancial? Justifique.

09.&nbsp;&nbsp;
Quais doenças são possíveis através do consumo
de água não tratada?

110.&nbsp;&nbsp;
Caso a água tratada ainda continue apresentando
condições impróprias para consumo, o que devemos fazer para torná-la própria
para consumo?



&nbsp;&nbsp; Bom trabalho a todos!

&nbsp;&nbsp; Abraços.

&nbsp;&nbsp; Prof. Flávio