
Escala de pH
Science
9th Grade
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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
O que significa a sigla "pH"?
Potencial de Hidrogênio
Peso Hidrostático
Pressão Hidráulica
Propriedade de Hidrogênio
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Qual é a faixa de valores da escala de pH?
0 a 7
0 a 10
0 a 14
1 a 14
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Uma solução com pH igual a 7 é considerada:
Ácida
Básica
Neutra
Salina
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Qual das opções abaixo representa uma solução ácida?
pH = 2
pH = 7
pH = 9
pH = 12
5.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Qual é a importância do pH no corpo humano?
Determina a cor dos olhos
Regula processos metabólicos e enzimáticos
Controla a pressão arterial
Define a altura da pessoa
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
O que pode acontecer com peixes em um lago com pH muito baixo?
Eles crescem mais rápido
Eles podem morrer devido à acidez
Eles mudam de cor
Eles ficam mais resistentes
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Por que é importante monitorar o pH da água potável?
Para garantir que a água seja transparente
Para evitar corrosão de canos e proteger a saúde
Para aumentar o sabor da água
Para diminuir o consumo de água
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