
Materiales plásticos, textiles, cerámicos y pétreos
Authored by José Luis Valencia
Science
9th Grade
Used 3+ times

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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La polimerización es una reacción química en la que se unen __________ para formar un polímero.
Monómeros
Sustancias
Átomos
Polvos de plásticos
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de reacción química forma un polímero uniendo monómeros?
Polimerización
Oxidación
Reducción
Descomposición
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Marca las propiedades que correspondan a los plásticos:
Aislantes eléctricos, térmicos y acústicos
Reciclables
Permeables
Quebradizos
Resistentes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los plásticos pueden ser naturales, que se obtienen directamente de materias primas vegetales o animales.
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los plásticos que presentan polímeros (cadenas) unidas débilmente entre sí se llaman:
plásticos elastómeros
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los plásticos que presentan polímeros (cadenas) unidas lateralmente y plegadas sobre sí mismas como un ovillo se llaman:
plásticos elastómeros
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los plásticos que presentan polímeros (cadenas) enlazadas fuertemente en distintas direcciones se llaman:
plásticos elastómeros
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