Funções inorgânicas - 9º Ano
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Marcelo Silva
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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual destas moléculas pode ser considera um ácido?
HCℓ
Pb3O4
NaOH
Na2S
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
ácido carbônico
ácido sulfúrico
ácido fosfórico
ácido nítrico
3.
OPEN ENDED QUESTION
3 mins • 5 pts
Qual é a importância do ácido clorídrico?
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4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
(PUC-SP) A respeito das substâncias denominadas ácidos, um estudante anotou as seguintes características:
I) têm poder corrosivo;
II) são capazes de neutralizar bases;
III) são compostos por dois elementos químicos;
IV) formam soluções aquosas condutoras de corrente elétrica.
I e II
I e III
I e IV
II e III
III e IV
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Identifique a alternativa que apresenta um diácidos:
HCN
H3PO3
HCl
H2SO4
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Sabor azedo e boa condutividade elétrica em solução aquosa são características de:
bases
óxidos
ácidos
sais
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
As bases possuem, em sua fórmula, o radical
PO4
CO3
SO4
OH-
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