
Quiz sobre Ácidos e Bases
Science
9th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções abaixo representa corretamente a definição de ácido segundo Arrhenius?
Substância que libera elétrons em solução aquosa.
Substância que libera gás oxigênio em solução aquosa.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor do pH de uma solução neutra à 25°C?
0
7
14
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que acontece com o pH de uma solução quando adicionamos uma base forte?
O pH diminui.
O pH aumenta.
O pH permanece igual.
O pH se torna zero.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das substâncias abaixo é considerada uma base de acordo com Arrhenius?
HCl
NaOH
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se uma solução tem pH = 3, ela é:
Neutra
Básica
Ácida
Salina
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas apresenta corretamente a equação para o cálculo do pH?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções abaixo é um exemplo de ácido forte?
HCl
HCN
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