
Chemisry 150-200
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Other
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University
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Medium
Ablay sp
Used 1+ times
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47 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Конфигурация иона лития
1s2 2s1 1s0
1s2 2s0
1s2 2s1 2s0
1s2 2s1
1s2 2s0 2s1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Гидроксид какого элемента мало растворим в воде и является основанием средней силы ?
Na
P
Mg
N
K
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Электронная конфигурация S2- иона:
1s2 2s2 2p6 3s2 3p4
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p3
1s2 2s2 2p6 3s1
1s2 2s2 2p6 3s2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Электронная конфигурация N+5
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p3
1s2 2s0 2p0
1s2 2s2 2p4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ряд кислотных оксидов
Mn2O7, SO3, N2O5
ZnO, MnO2, CrO
CaO, Co(OH)2, Na2O, Mn2O3
Fe(OH)3, Sn(OH)2, Li2O
Al(OH)3, Fe(OH)3, KOH
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Соль, подвергающаяся гидролизу по катиону и аниону
CH3COONa
NH4Cl
КCN
KCl
CH3COONH4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В реакции CrCI3 + H2O2 + NaOH=Na2CrO4 + H2O + NaCI перекись водорода Н2О2 выступает…
как растворитель
создает среду
как окислитель
как восстановитель
в качестве катализатора
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