Grasimi
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Used 30+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Grăsimile sunt esteri ai glicerinei cu:
acizi organici
acizi organici grași
acizi anorganici
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Grăsimile:
pot fi solide sau lichide
sunt insolubile în apă
se topesc într-un interval de temperatură
au densitate mai mare decât a apei
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tristearina (obţinută prin esterificarea glicerinei cu acid stearic ) este o trigliceridă:
mixtă
simplă
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dipalmito – stearina , obţinută prin esterificarea glicerinei cu 2 molecule de acid palmitic şi o molecula de acid stearic, este o trigliceridă:
simplă
mixtă
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Grăsimile sunt solubile în solvenți:
organici
anorganici
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Sunt surse de grăsimi:
seminţele unor plante ( floarea soarelui , in , ricin, soia. etc.)
unele fructe ( măsline , cocos, etc.)
ţesutul adipos al animalelor
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Utilizări ale grăsimilor:
obţinerea unor lacuri şi vopsele
compoziţia unor preparate farmaceutice sau cosmetice
uneori drept combustibil
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