
Ácidos e Bases
Authored by ᎮᎯᎢᎷᎯᏁ ᏴᎯᎥᎯᏁО
Chemistry
9th - 12th Grade
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24 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual é o pH de uma solução neutra a 25°C?
7
5
9
2
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual dos seguintes compostos é um ácido forte?
HCL
CH3COOH
NH3
NaOH
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual dos seguintes é um exemplo de uma base de Arrhenius?
HCl
NaOH
CH3COOH
H2SO4
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual é o produto da ionização do ácido clorídrico em água?
Na+
OH-
H3O+
O2-
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual é o nome da teoria que define ácidos como doadores de prótons?
Teoria de Arrhenius
Teoria de Brønsted-Lowry
Teoria de Lewis
Teoria de Planck
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual dos seguintes é considerado uma base fraca?
NaOH
KOH
NH3
HCl
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual é a definição de pH?
A concentração de H+ em uma solução
A concentração de OH- em uma solução
O logaritmo negativo da concentração de H+
A soma das concentrações de H+ e OH-
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