Desvendando Ácidos, Bases e Sais
Quiz
•
Others
•
9th Grade
•
Medium
EDUARDO SCHEMBERG
Used 4+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é uma propriedade comum dos ácidos?
Liberam íons de oxigênio (O2) em solução aquosa.
Reagem apenas com bases neutras.
Liberam íons de hidrogênio (H+) em solução aquosa.
Aumentam o pH da solução aquosa.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os ácidos geralmente têm sabor:
azedo
amargo
salgado
doce
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o pH de uma solução neutra?
8
6
5
7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As bases são conhecidas por serem:
Substâncias que doam prótons ou aceitam elétrons.
Substâncias que sempre são sólidas.
Substâncias que aceitam prótons ou doam pares de elétrons.
Substâncias que não reagem com ácidos.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula do ácido clorídrico?
HClO
H2Cl
HCl
ClH
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os sais são formados pela reação entre:
Um metal e um não-metal
Um ácido e um sal
Um ácido e uma base
Uma base e um metal
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a propriedade das bases em relação ao pH?
As bases não afetam o pH das soluções.
As bases aumentam o pH das soluções.
As bases diminuem o pH das soluções.
As bases tornam as soluções ácidas.
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