
Polimeri
Authored by Violeta Druta
Chemistry
12th Grade
Used 71+ times

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14 questions
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1.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
După proveniența lor compușii macromoleculari se împart în:
naturali
artificiali
sintetici
de origine vegetală
2.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Polimeri naturali sunt
Amidonul
Viscoza
Celuloza
Proteinele
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Polimerii obținuți cu ajutorul reacțiilor chimice sunt polimeri
sintetici
artificiali
naturali
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Substanţa alcătuită din molecule foarte mari, formate prin unirea mai multor molecule de monomer se numește:
compusă
polimer
simplă
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Numărul care arată de câte ori se repetă fragmentul structural în macromoleculă se numește:
coeficient
grad de polimerizare
grad de policondensare
6.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Polimerii pot fi obținuți prin reacții:
de combinare
de polimerizare
de policondensare
de schimb
7.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Din punct de vedere al structurii moleculare, polimerii pot fi:
liniari
ciclici
ramificați
reticulați
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