
Ácidos
Authored by amanda martins
Chemistry
1st - 4th Grade
Used 5+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Assinale a opção que contém apenas hidrácidos
HBr, H2SO4, HI
HCN, HI, HNO3
HCl, HCN, HBr
HCl, HBr, H3PO4
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Assinale a seguir as opções incorretas
HCl e HNO3 são monoácidos
H3PO3 é um triácido
H3PO2 é um diácido
H2SO4 é um monoácido
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual fórmula abaixo representa o cálculo do pH de forma correta?
pH = - log [H+]
pH = - log [OH-]
pH = α/[H+]
pH = α/[OH-]
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual opção abaixo representa corretamente a nomenclatura do composto HBr?
Ácido clorídrico
Ácido iodídrico
Ácido clórico
Ácido clorídrico
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Indique a nomenclatura e a força do ácido a seguir: H2SO4
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Assinale abaixo as opções que representam corretamente o ácido e sua nomenclatura
HClO3 - ácido cloroso
HClO - ácido hipocloroso
HClO2 - ácido clórico
HClO4 - ácido perclórico
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A análise de um determinado afluente (rio) mostrou que a quantidade de íons hidrônios (H+) presentes era igual a 10–6 mol.L–1. Sabendo que é normal encontrar as águas de rios e lagos com pH variando entre 4 e 9, determine o valor do pH da água analisada.
3
6
13
11
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