
ZAHARIDE TEST

Quiz
•
Chemistry
•
11th Grade
•
Hard
Raducu Galeru
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Zaharidele sunt
Compuși cu funcțiune simplă
Compuși cu funcțiune mixtă
aldehide
alcooli
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Glucoza are un procent de carbon de:
19%
40%
53,3%
50%
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Zaharoza are un număr de legături eterice:
2
1
3
nu are legături eterice
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Prin oxidarea glucozei se poate forma:
Acid gluconic
Acid glucaric
Dioxid de carbon și apă
Hexitol
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hexitolul are formula moleculară:
C6H14O6
C6H16O6
C6H14O7
C6H12O6
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Aldehida glicerină este:
Aldotrioză
Cel mai simplu monozaharid
Cetotrioză
Compus cu formulă moleculară C3H6O3
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
La oxidarea a 2 moli de glucoză cu Reactiv Fehling se formează o cantitate de precipitat brun de:
144g
2 moli
288g
72g
8.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Pentru reducerea unui amestec din 2 moli glucoză și 3 moli fructoză este necesară o cantitate de hidrogen de:
2,5 moli
5 moli
112 litri
10 moli
9.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
În molecula glucozei, formula aciclică, sunt:
5 legături covalente omogene
1o legături covalente eterogene
10 legături covalente polare
o legătură pi
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