LIGAÇÕES QUIMICAS E ÁCIDOS - RECUPERAÇÃO REC2
Quiz
•
Science
•
9th Grade
•
Medium
ALESSANDRA SANTOS
Used 2+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções abaixo é uma propriedade característica dos ácidos?
Conduzem eletricidade no estado sólido
Mudam a cor do papel tornassol azul para vermelho
Têm sabor adocicado
Reagem com metais formando bases
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que indica um valor de pH igual a 7?
Solução ácida
Solução básica
Solução neutra
Solução supersaturada
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes substâncias é considerada um ácido de acordo com a teoria de Arrhenius?
NaOH
HCl
KCl
NH₃
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que ocorre em uma ligação iônica?
Compartilhamento de elétrons
Transferência de elétrons
Compartilhamento de prótons
Compartilhamento de nêutrons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3
7
10
14
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções abaixo é uma propriedade comum das bases?
Sabor azedo
Tornam o papel tornassol vermelho azul
Não conduzem eletricidade em solução aquosa
Reagem com ácidos formando água e sal
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes moléculas apresenta ligação covalente?
NaCl
H₂O
KBr
CaF₂
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