Test de verificare a cunoștințelor
Quiz
•
Chemistry
•
11th Grade
•
Hard
Mariana Turcan
Used 7+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Hidrocarburile sunt substanțele organice care reprezintă:
combinații ale carbonului cu alte elemente chimice
combinații ale carbonului cu halogenii
combinații ale carbonului cu hidrogenul
combinații ale hidrogenului cu alte elemente organogene
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Izomerii sunt:
substanțe organice cu aceeași formulă de structură
substanțe organice cu aceeași formulă moleculară
substanțe organice cu aceleași proprietăți
substanțele organice cu aceeși structură chimică
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Principalele elemente chimice structurale ale compușilor organici sunt:
(scrieți simbolul chimic, prin virgulă)
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Valența carbonului în compușii organici este:
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Toate elementele chimice de compoziție structurală a hidrocarburilor se numesc:
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Selectați compușii organici:
CO2
CH2O2
Al4C3
C2H6O
CaC2
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Proprietatea unor substanțe de a trece prin încălzire din starea solidă direct în cea gazoasă, se numește:
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