Quizizz Avaliação 4º Momento
Quiz
•
Chemistry
•
8th Grade
•
Hard
Rodrigo Capelo
Used 9+ times
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24 questions
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1.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Assinala o nome e a fórmula química do composto iónico na imagem.
K2O
OK2
Potássio de oxigénio
Óxido de potássio
KO2
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Assinala o hidróxido de sódio e o cloreto de alumínio.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O composto iónico cloreto de ferro (III), de fórmula química FeCl3, é constituído por:
3 catiões Fe+ e 1 anião Cl3-
3 catiões Fe3+ e 1 anião Cl-
1 catião Fe3+ e 3 aniões Cl-
1 catião Fe+ e 3 aniões Cl3-
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula química do hidróxido de magnésio?
MgO
Mg(OH)2
MgOH2
MgO2
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Escreve a fórmula química do cloreto de cálcio.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em laboratório, juntaste o cloreto de sódio com o nitrato de prata para obter um sólido branco. Realizaste uma reação de...
precipitação.
combustão.
ácido-base.
oxidação-redução.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na reação química na imagem, qual é o precipitado?
Ca(HCO3)2
H2O
CO2
CaCO3
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