урок
Quiz
•
Chemistry
•
11th Grade
•
Hard
Гузель Усенова
Used 1+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сложные вещества, диссоциирующие в водных растворах на катионы металлов и гидроксид-анионы, называются
Кислотами.
Основаниями.
Солями
Оксидами.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Металлы побочных подгрупп IV периода относятся к элементам
d
g
s
p
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Сумма коэффициентов в уравнении, схема которого Cl2+KOH→KClO3+KCl+H2O
6
23
18
10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Название изомера этанола
Этиленгликоль.
Метанол.
Диметиловый эфир.
Пропанол-2.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Даны соли1. Mg(NO3)22. Na2S3. AlCl34. KCl5. ZnSO46. BaSO47. Ba(NO3)2
Номера солей, образующих кислую среду в результате гидролиза
2 3 5
1 3 7
1 3 6
1 3 5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формулы амфотерного гидроксида и кислоты соответственно
H2SO4 и КOH
Al(OH)3 и HNO3
Ca(OH)2 и Be(OH)2
HNO3 и BaSO4
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ряд, в котором представлены удобрения
MgCl2, Mg(NO3)2, Mg3(PO4)2
NaCl, NaNO3, Na3PO4
KCl, KNO3, K3PO4
BaCl2, Ba(NO3)2, Ba3(PO4)2
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
При сгорании 4 г углеводорода выделилось 6,72л (н.у.) CO2 и 3,6г H2O. Относительная плотность вещества по водороду – 20. Его молекулярная формула
C5H8
C4H6
C4H8
C3H4
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