pH e pOH
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Daniele Cnsrosário
Used 13+ times
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O pH de uma solução é 10, logo pode ser classificada como:
básica
neutra
ácida
saturada
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sabendo que a concentração de H+ de uma solução é 10-5, seu pOH é igual a:
5
9
10
4
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dados os pHs das soluções, marque aquelas que são ácidas.
café
cerveja
água com gás
vinho
vinagre
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Com base nas [H+], marque as soluções básicas.
suco de limão
leite
álcool
sabão
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uma solução tem pH=3. Quantas vezes ela é mais ácida que a água pura, com pH=7?
4 vezes
100 vezes
40.000 vezes
10.000 vezes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O pOH da solução é 8. Qual o seu pH?
8
6
4
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O pOH de uma solução é 7,5. Podemos classificá-la como:
ácida
básica
neutra
supersaturada
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