Projeto de ciencias BLHS 1c Glaucio

Quiz
•
Science
•
11th Grade
•
Hard
Brener Po
Used 5+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ACIDOS
Qual das opções abaixo é um exemplo de ácido?
a) NaOH
b) HCl
c) NaCl
d) CO2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os ácidos são caracterizados por:
a) Neutralizar bases
b) Liberar íons H+ na solução
c) Formar sais ao reagir com óxidos ácidos
d) Todas as anteriores
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bases
Qual é a fórmula química do hidróxido de cálcio?
a) CaO
b) Ca(OH)2
c) CaCl2
d) CaCO3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma propriedade comum das bases é:
a) Ter sabor ácido
b) Doar íons H+
c) Ser escorregadias ao toque
d) Reagir com sais para formar óxidos
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sais
Qual das opções abaixo é um sal?
a) NH3
b) NaCl
c) H2SO4
d) NaOH
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os sais são formados pela reação entre:
a) Um ácido e um óxido
b) Um ácido e uma base
c) Um óxido ácido e um óxido básico
d) Duas bases
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Óxidos
Qual é um exemplo de óxido ácido?
a) Fe2O3
b) CO2
c) Na2O
d) H2O
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