Materie plastiche
Quiz
•
Professional Development
•
12th Grade
•
Practice Problem
•
Hard
Luigina Costella
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
I polimeri sono molecole costituite da
unità poliglotte
molecole monouso
monomeri
isomeri
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le materie plastiche si chiamano anche polimeri
vero
falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La sigla PE indica il polimero Poietilene
vero
falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le plastiche termoindurenti
possono essere fuse più volte
se riscaldate possono essere fuse e plasmate
possono essere modificate solo a freddo
non possono essere fuse
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gli elastomeri
sono materiali rigidi
non si deformano a temperatura ambiente ma solo se riscaldati
sono elastici e si deformano
quando assumono una determinata forma la mantengono anche se riscaldati
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La sigla PVC individua il polimero Polivinlcloruro
vero
falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sceglire tra questi polimeri l'unico che non serve per imballaggi
acetato di cellulosa
PET
polivinilcloruro
polipropilene
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