9 клас. Вуглеводи.
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Олена Мусієнко
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17 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Вкажіть формулу виноградного цукру:
С6Н12О6
С12Н22О11
(С6Н10О5)n
С6Н5ОН
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
До дисахаридів належить :
фруктоза
сахароза
крохмаль
целюлоза
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Реакція
С6Н12О6 → 2С2Н5ОН + 2СО2 називається:
маслянокислого бродіння
молочнокислого бродіння
спиртового бродіння
фотосинтезу
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В чому найбільший вміст сахарози:
цукровий буряк
картопля
рис
деревина
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
До полісахаридів належить :
фруктоза
сахароза
крохмаль
глюкоза
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Вкажіть реакцію фотосинтезу:
C6H12O6 = 2C2H5OH + 2CO2
C6H12O6 + 6O2 = 6CO2 + 6H2O
6CO2 + 6H2O = C6H12O6 + 6O2
(C6H10O5)n + nH2O = C6H12O6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В чому найбільший вміст крохмалю:
цукрова тростина
мед
рис
деревина
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