Stirenul și polistirenul
Quiz
•
Chemistry
•
11th Grade
•
Medium
Stela Burcovschi
Used 10+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Sunt arene...
Benzenul
Toluenul
Polistirenul
Etilbenzenul
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Sunt substanțe inițiale în reacția de alchilare prin care se obținere etilbenzen.
Clorobenzenul
Benzenul
Toluenul
Cloroetanul
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Pot fi fabricate din polistiren...
Caserole pentru alimente
Materiale termoizolatoare pentru încăperi
Cărți
Sacoșe
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Denumirea sistematică a stirenului ...
Toluen
Vinilbenzen
Anilină
Etilbenzen
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Masa molară a stirenului...
104
106
105
100
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cantitatea stirenului cu masa de 2,08 g este ...
2 mol
0,2 mol
0,02 mol
0,002 mol
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Volumul hidrogenului eliminat la formarea a 0,02 mol de stiren din etilbenzen este...
4,48 l
0,448 l
1,344 l
13,44 l
8.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Numărul legăturilor σ (s-sp2) în molecula stirenului...
9
8
17
7
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