Что такое серебро7
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Матвей Кутарин
Used 3+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Для чего применяют серебро?
Столовая посуда
чеканка монет
производство электродов
изготовления ювелирных изделий
для серебрения зеркал
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
сколько процентов серебра получают в чистом виде?
15%
20%
30%
80%
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Какие из перечисленных веществ являются тёмно-красными?
Ag2CrO4
Ag2CrO6
Ag2Cr2O7
Ag2Cr2O8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Оксид серебра(1) растворяется в гидрате аммиака с образование чего?
[Ag(H2O)4]NO3
[Ag(NH₃)₂]ОН
[Ag(H2O)3F3]
[Ag(NH3)3(NO2)2]
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
При реакции серебра с концентрированной азотной кислотой получаются:
AgNO3
NO2
NO3
H2O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Для чего применяют ацетат серебра
серебрение металлов в гальваностегии
охлаждение металлов в органическом синтезе
для изготовления деталей электровакуумных приборов
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая плотность у серебра
21,4 г/см3
12,3г/см3
15г/см3
10,5г/см3
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