Reações ácido - base
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Luísa Nogueira
Used 19+ times
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O ácido acético existe no ...
... limão.
... no vinagre.
... na laranja.
.. no limão e no vinagre.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seleciona a substância básica ...
... o leite;
... o sumo de uva.
... o sumo de tomate.
... ... a pasta dos dentes.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o valor do pH que corresponde a uma substância neutra?
... 3
... 6
... 7
... 10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o valor do pH que corresponde a uma solução com carater químico ácido?
6
7
8
9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seleciona a fórmula química que corresponde a um ácido:
KHO ou KOH
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seleciona a fórmula química que corresponde a uma base:
KHO ou KOH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seleciona a opção que corresponde a uma solução com um valor de pH = 7.
Sumo de laranja.
Pasta dos dentes.
Lixívia.
Água destilada.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O valor máximo, na escala de pH, para uma solução alcalina é ...
16
14
12
10
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