
Reações Químicas e Equações Básicas
Interactive Video
•
Chemistry, Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a estrutura básica de uma equação química?
Um quadrado
Um círculo
Uma setinha
Uma linha reta
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que encontramos do lado esquerdo de uma equação química?
Produtos
Solventes
Reagentes
Catalisadores
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o produto formado quando NaOH reage com HCl?
Gás carbônico
Ácido sulfúrico
Cloreto de sódio
Água oxigenada
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o nome comum do NaOH?
Água
Sal de cozinha
Soda cáustica
Ácido clorídrico
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o papel do cátion na reação química discutida?
Procurar o ânion
Procurar o cátion
Procurar o produto
Procurar o solvente
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se representa a reação entre NaOH e HCl por escrito?
NaOH + HCl = H2O + CO2
NaOH + HCl = NaCl + H2O
NaOH + HCl = NaCl + O2
NaOH + HCl = H2O + NaClO
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado da reação entre hidróxido de sódio e ácido clorídrico?
Água e hidrogênio
Água e oxigênio
Água e gás carbônico
Água e cloreto de sódio
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