Повторение неорганики
12th Grade
•10 Qs
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Повторение неорганики
Quiz
•
Education
•
12th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
Какие из перечисленных оксидов реагируют с избытком раствора щелочи?
K2O
Cr2O3
F2O3
BeO
CaO
2.
CLASSIFICATION QUESTION
3 mins • 16 pts
Распределите оксиды по группам
Groups:
(a) Основные
,
(b) Амфотерные
,
(c) Кислотные
,
(d) Несолеобразующие
SO3
Cr2O3
H2O
N2O
BeO
Mn2O7
MnO
NO
FeO
CrO3
NO2
K2O
Fe2O3
CO
CrO
MnO2
3.
MULTIPLE SELECT QUESTION
45 sec • 3 pts
Какие металлы не реагируют с концентрированной азотной кислотой?
Al
Cr
Co
K
Cu
4.
CLASSIFICATION QUESTION
3 mins • 9 pts
Соотнесите кислоты и соли с основностью фосфорных кислот
Groups:
(a) Одноосновные
,
(b) Двухосновные
,
(c) Трехосновыные
NaH2PO3
BaHPO3
AlPO4
KH2PO4
Ca(H2PO2)2
NaH2PO2
H3PO2
H3PO3
H3PO4
5.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
Выберите вещества, которые не реагируют с. серой
N2
I2
Cl2
Ba
6.
CLASSIFICATION QUESTION
3 mins • 8 pts
Распределите соли по группам:
Groups:
(a) Смешанные
,
(b) Двойные
,
(c) Кислые
,
(d) Средние
KCr(SO4)2
NH4HS
AlPO4
KAl(SO4)2
NaCl
BaClBr
CaCl(OCl)
KHCO3
7.
DROPDOWN QUESTION
1 min • 1 pt
Какие соли получаются при сплавлении амфотерных оксидов с щелочами? (a)
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