
органика 40-60
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Hard
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Оксид серы (IV) будет реагировать со всеми веществами группы
H 2O, N 2, KOH
H 2O, NaOH, NaNO 3
H 2O, KOH, CaO.
HCl, CO 2, MgO
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Превращение
С6Н12О6 → 2 СН3 – СН – СООН
|
ОН
носит название
деструкция сахарозы
окисление глюкозы
спиртовое брожение глюкозы
молочнокислое брожение глюкозы
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Объем порции диоксида серы (н.у.), содержащей атомов кислорода
2,24 л
224 л
2 л
22,4 л
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Число изомеров, имеющих формулу С4Н8 , равно
4
2
3
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько теплоты выделится при сжигании 2,4 г магния по термохимическому уравнению: 2Mg+O2→2Mg O+1127 кдж.?
112,70 кДж
1127,0 кДЖ
11,270 кДЖ
112 кДж
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Число изомеров, имеющих формулу С5Н12 , равно
2
3
4
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
При взаимодействии 4,48 л фтора (н.у.) с водой, получается масса О 2 равная
32 г
3 г
3,2г
2г
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