
Understanding Oxidation and Reactions
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Hard
FLAVIA TAVARES
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes é um exemplo de reação de oxidação?
Gelo derretendo
Água fervendo
Açúcar se dissolvendo em água
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hidrogênio
Oxigênio
Água
Nenhum
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual processo é um exemplo de reação exotérmica?
Queima de madeira
Gelo derretendo
Água evaporando
Fotossíntese
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que acontece com a temperatura em uma reação endotérmica?
Ela aumenta
Ela diminui
Ela permanece a mesma
Ela explode
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dos seguintes é um processo endotérmico?
Derretimento do gelo
Queima de uma vela
Congelamento da água
Fazendo torrada
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