
Velocidade das reações
Authored by Rafael Nunes
Chemistry
8th - 9th Grade
Used 100+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A velocidade de uma reação química depende da rapidez do consumo dos reagentes.
Verdadeiro
Falso
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A velocidade de uma reação química depende da rapidez da formação dos produtos.
Verdadeiro
Falso
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Seleciona as reações químicas rápidas.
Corrosão de um prego
Formação do petróleo
Combustão do hidrogénio
Precipitação de um sal pouco solúvel
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uma reação química com menor tempo tem uma velocidade
maior.
menor.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A mesma reação química pode ser lenta ou rápida conforme as condições em que ocorre.
Verdadeiro
Falso
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Os alimentos alteram-se ______________a uma temperatura mais baixa.
rapidamente
lentamente
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Os alimentos colocam-se no frigorífico para que a sua transformação química seja
rápida.
lenta.
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