
Polimerii sintetici
Authored by Mariana Turcan
Chemistry
12th Grade
Used 5+ times

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20 questions
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1.
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30 sec • 5 pts
Procesul chimic de unire a mai multor molecule identice în una mai mare se numește.....
2.
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30 sec • 5 pts
........................ este materialul plastic cel mai răspândit.
3.
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45 sec • 5 pts
Din ........................... se produc pompe, fibre, conducte rezistente la temperaturi înalte și la agenții chimici.
4.
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45 sec • 5 pts
Materialele polimerice capabile să treacă, prin încălzire, în stare plastică, să adopte și să păstreze forma necesară se numesc ....................... .......................
5.
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45 sec • 5 pts
După compoziție masele plastice se clasifică în .................... și ......................
6.
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45 sec • 5 pts
Fragmentul de atomi ce se repetă de mai multe ori în macromoleculă se numește ...................... ......................... .
7.
MULTIPLE SELECT QUESTION
30 sec • 5 pts
După structură și modul de aranjare a macromoleculelor se deosebesc tipuri de polimeri:
reticulari
liniari
ramificați
termoplaști
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