Revisão PGA - 2º Médio/4º Bimestre - 2022
Quiz
•
Chemistry
•
11th Grade
•
Hard
Patrícia Lopes
Used 2+ times
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10 questions
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1.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
As dioxinas são substâncias altamente tóxicas que podem causar uma série de doenças, do
diabetes ao câncer. É gerada a partir de processos industriais e também da incineração do lixo.
A mais tóxica apresenta a fórmula estrutural:__________
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O polímero dácron também é conhecido com o nome de:
policarbonato.
PVC.
borracha.
poliéster.
poliéter.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Os lipídeos são:
plásticos.
carboidratos.
açúcares.
óleos e gorduras animais e vegetais.
proteínas.
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Uma diferença entre o aterro controlado e o aterro sanitário é:
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Para diferenciarmos um álcool de um fenol, devemos reagir ambos com uma:
hidroxila.
carboxila.
carbonila.
cetona.
base.
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Um glicerídeo, ao sofrer hidrólise, produz ácido graxo e:
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O reagente de Tollens oxida aldeídos e ácidos carboxílicos e, quando isso é feito em um frasco
limpo, fica depositado em suas paredes um “espelho de prata”.
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