pH e pOH
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Hard
Ana Leal
Used 17+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A sigla pH significa:
Potencial Hidrogeniônico
Porcentagem Ácida
Probabilidade de Hidrogênio
Percentagem de H+
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A escala de pH varia de:
1 a 13
0 a 14
1 a 7
0 a 20
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Em uma solução aquosa sempre há:
apenas H+
apenas OH-
H+ e OH-
nenhum desses íons já que a água é neutra.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O que é pOH?
Escala que vai de 1 a 14 e serve para medir a concentração dos sais
Potencial de hidrogênio oxigenado da água
Escala que serve para medir a concentração de íons hidroxila
Potencial de OH+ presente nas soluções
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Marque a alternativa mais correta.
pH ácido é acima de 7
pH ácido é abaixo ou igual a 6
pH básico é abaixo de 7
pH neutro não existe
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual é a fórmula para calcular o pH de uma solução?
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