REVISANDO O CONTEUDO CIÊNCIAS 9° ANO
Quiz
•
Science
•
9th Grade
•
Hard
EMILLY MENEGHIN
Used 17+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O elemento químico HCl pode ser considerado com
acido
base
sais
oxidos
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HNO3 corresponde a qual acido?
perclórico
sulfúrico
carbônico
nítrico
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
substâncias formadas pela união de um cátion e um ânion, que liberam íons
sais
bases
acidos
oxidos
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl corresponde a um
acido
sais
base
oxido
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
óxido de cálcio e representado por
Li2O
CO
CaO
FeO
6.
MATCH QUESTION
30 sec • 1 pt
Associe os usos e características dos óxidos e sais abaixo:
óxido anfótero denominado bauxita da qual se realiza extração do alumínio.
Al2O3
óxido de alumínio
gás estufa eliminado na respiração de seres vivos e utilizado na fotossíntese.
NaClO
hipoclorito de cálcio
sal conhecido como calcário encontrado em formações de cavernas e que aumenta o pH do solo e da água
CO2
dióxido de carbono
gás que em contato com a água da chuva e presença de raios pode torná-la muito ácida.
CaCO3
carbonato de cálcio
sal muito utilizado na desinfecção de vírus e bactérias.
NO2
dióxido de nitrogênio
7.
DRAG AND DROP QUESTION
30 sec • 1 pt
(a) são substâncias químicas de sabor (b) e pH (c) que 7. (d) são compostos, em sua grande maioria iônicos, com sabor adstringente e pH (e) que 7.
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