
Avaliação 3º Ano
Authored by VAGNER ANDRADE
Chemistry
3rd Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Os problemas relacionados ao meio ambiente são muito antigos. Os fatos relatados descrevem o fenômeno conhecido como:
El Niño
buraco na camada de ozônio
chuva ácida
inversão térmica
efeito estufa
2.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
O petróleo é muito utilizado como fonte de energia. Um desses usos é a:
fabricação de plásticos.
confecção de papéis.
produção de orgânicos.
extração de alimentos.
construção de estradas.
3.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
A reação que ocorre com o etanol e a fórmula molecular são:
desidratação intramolecular e C2H6O.
desidratação intramolecular e C2H4.
oxidação branda e C2H4.
oxidação branda e C2H6O.
desidratação intramolecular e C2H6.
4.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Complete a frase: O etanol é obtido da ______.
cana-de-açúcar
batata
milho
soja
5.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Complete a frase: A desidratação intramolecular do etanol resulta em ______.
C2H6O
C2H4
C2H6
C2H5OH
6.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Desenhe a fórmula molecular da substância orgânica: etino.
C2H2
C3H4
C4H6
C5H8
7.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Nomeie a cadeia orgânica: CH3-CH=CH-CH2-CH3.
1-penteno
2-penteno
3-penteno
4-penteno
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