
Sais e óxidos EM
Authored by Angeolino Pontes
Chemistry
1st Grade
Used 19+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Assinale a alternativa que só apresenta sais:
NaOH, NaCl
HCl, H2O
NaCl, CaSO4
NaOH, H2O2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Óxidos são substâncias inorgânicas binárias que apresentam o oxigênio como elemento mais eletronegativo.
Verdadeiro
Falso
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
CO, Al2O3, Pb3O4 são exemplos de:
ácidos
bases
sais
óxidos
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Os sais podem ser classificados quanto a presença de oxigênio. Sais halóides são aqueles que não apresentam oxigênio.
Verdadeiro
Falso
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
São óxidos que reagem com a água, produzindo um ácido, ou reagem com uma base, produzindo sal e água:
óxidos anfóteros
óxidos básicos
óxidos ácidos
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sal hidratado: apresenta em seu retículo cristalino moléculas de água em proporção definida (grau de hidratação).
Verdadeiro
Falso
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O CuO pode ser nomeado como:
peróxido de carbono
monóxido de monocobre
cubreto de dioxigênio
monóxido de carbono
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