Reações químicas
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A decomposição química de uma substancia por corrente elétrica designa-se por:
Fotólise
Eletrólise
Pirólise
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nas transformações químicas, novas substancias são formadas e denominadas de:
Reagente
Produtos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classifique a reação quimica em:
Adição (ou síntese)
Decomposição (ou análise)
Dupla troca (ou metátese)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual simbolo representa aquecimento em uma equação química?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classifique o tipo de reação
AB + CD → AD + CB
ADIÇÃO (ou síntese)
DECOMPOSIÇÃO (ou análise)
DUPLA TROCA (ou metátese)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classifique o tipo de reação
AB + C → AC +B
DUPLA TROCA (ou metátese)
SIMPLES TROCA (ou deslocamento)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na reação abaixo, qual o ESTADO FÍSICO do dióxido de carbono?
2 NaHCO3(s) --> Na2CO3(aq) + H2O(l) + CO2(g)
Líquido
Gasoso
Sólido
Aquoso
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