
Funções Químicas - Recuperação 9 Ano
Quiz
•
Science
•
9th Grade
•
Hard
Used 8+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a definição de um ácido segundo a teoria de Arrhenius?
Substância que libera íons OH⁻ em solução aquosa.
Substância que libera íons H⁺ em solução aquosa.
Substância que aceita pares de elétrons.
Substância que doa pares de elétrons.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula química do ácido sulfúrico?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes substâncias é uma base forte?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula química do óxido de cálcio?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cloreto de sódio
Sulfato de sódio
Nitrato de sódio
Carbonato de sódio
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a carga de um cátion?
Positiva
Negativa
Neutra
Depende do elemento
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a carga de um ânion?
Positiva
Negativa
Neutra
Depende do elemento
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