
Химия 4 продолжение
Quiz
•
Chemistry
•
University
•
Easy
Prochorenko Angelina
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89 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите сопряженную пару кислота-основание (Бронстед-Лоури)?
NH4+/NO2
NaCl/NO2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
название IUPAC данного соединения
3,5,6-триметилгептан
2,5,6-триметилпентан
2,2,6-триметилгептан
3,5,6-триметилгексан
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как изменяется растворимость Ag2CO3 при добавлении небольшого количества Na2CO3 в его насыщенный раствор?
уменьшится
увеличится
не изменится
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой раствор электролита оказывает наибольшее коагулирующее действие на золь с положительно заряженными частицами?
K3PO4
HF
Ag2CO3
Na2CO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова растворимость BaMoO4, если Ks(BaMoO4)=4*10^-8?
2*10^-4
2*10^-8
4*10^-8
10*10^-9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова растворимость (S) AgI? если Ks(AgI)=1*10^-16?
10^-8
10^-10
20^-8
10^-9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Константа растворимости для равновесия Ag2CO3(s)-->2Ag+(s-n)+CO3^-2, равна...?
Ks=[Ag+]^2*[CO3^2-]
Ks=[Ag+]^3*[CO3^1-]
Ks=[Ag+]^2
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