
Entendendo a Escala de pH
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5th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que significa pH?
Potencial de Hidrogênio
Potencial Hidrogeniônico
Potência de Hidrogênio
Potência Hidrogeniônica
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Por que o pH é importante na água potável?
Porque determina a cor da água
Porque indica se a água é ácida, neutra ou alcalina
Porque mede a quantidade de minerais na água
Porque afeta a temperatura da água
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de pH de uma solução neutra?
0
7
14
10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a faixa de valores da escala de pH?
0 a 10
0 a 14
1 a 14
1 a 10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que indica um pH menor que 7?
Solução neutra
Solução ácida
Solução alcalina
Solução básica
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que indica um pH maior que 7?
Solução neutra
Solução alcalina
Solução ácida
Solução salina
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a importância do pH no solo para as plantas?
Determina a quantidade de luz que as plantas recebem
Afeta a disponibilidade de nutrientes para as plantas
Controla a temperatura do solo
Define a quantidade de água no solo
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