
Avaliação Deyvid 1ava-1 tri
Quiz
•
Science
•
1st Grade
•
Hard
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Por que os átomos se ligam?
Para formar substâncias compostas.
Para formar substâncias simples.
Porque buscam a estabilidade eletrônica.
Porque buscam ficar maiores.
Answer explanation
Porque buscam a estabilidade eletrônica.
2.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Balanceie a síntese do carbonato de cálcio conforme os menores coeficientes inteiros
1:1:2
1:2:3
1:1:1
2:2:2
3.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Balanceie a síntese do carbonato de cálcio conforme os menores coeficientes inteiros
1:1:2
1:2:3
1:1:1
2:2:2
4.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Nas transformações químicas, as novas substâncias formadas são designadas por:
Reagentes
Produtos da reação
Agentes da reação
5.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Classifique o tipo de reação
Reação de adição
Reação de decomposição
Reação de simples troca
Reação de dupla troca
6.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Classifique o tipo de reação
Reação de adição
Reação de decomposição
Reação de simples troca
Reação de dupla troca
7.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Transformações química
são aquelas que ocorrem sem que se formem novas substâncias.
são aquelas que ocorrem, quando existe a formação de novas substâncias, isto é, substâncias com propriedades diferentes das substâncias iniciais.
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