
PROVA SUBSTITUTIVA QUÍMICA 1 SÉRIE
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Chemistry, Science, Biology
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1st Grade
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Medium
BRUNA GARCIA
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49 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O ácido sulfúrico (H2SO4) pode ser classificado como:
Monoácido e fraco
Diácido e fraco
Diácido e forte
Diácido e muito forte
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual alternativa apresenta apenas ácidos moderados?
HNO3, H2CO3 e H3PO4
HClO3, H2SO3 e H3PO3
HClO2, HCl e HF
HF, HNO2 e H3PO4
3.
MATCH QUESTION
1 min • 1 pt
Associe a base com sua classificação quanto ao número de hidroxilas ionizavéis.
monobase
Ca(OH)2
tribase
Pb(OH)4
dibase
Al(OH)3
tetrabase
NaOH
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Quais das afirmativas são verdadeiras
O tomate por possuir pH igual a 4 é carcaterizado como uma fruta ácida.
O pH da água do mar é 8, carcaterizando como um meio alcalino.
O vinagre possui pH igual a 2, sendo assim um composto neutro.
Água de sabão e água sanitária possuem pH acima de 7, portantando são meios ácidos.
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
QUAL A FÓRMULA DO ÁCIDO CLÓRICO
HClO
H2ClO2
HClO2
HClO3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nomeie o seguinte ácido: H2SO4
Ácido Sulfúrico
Ácido Súlfico
Ácido Sulfuroso
Ácido Persulfúrico
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na escala de pH o valor 5 é?
Básico
Neutro
Ácido
Salino
Normal
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