Cu Ag Cr Щ ЩЗ
Authored by Полина Сидоровская
Chemistry
11th Grade
Used 3+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Cu+NO2+O2
CuO+NO2+O2
CuO+N2+O2
Cu+NO+O2
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
не реагируют
СuCl
Cu+Cl2
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
CuSO4+KI=
CuI2+K2SO4
CuI+I2+K2SO4
CuI+K2SO4
K2SO4+I2+CuI2
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
ФОРМУЛА МАЛАХИТА
CuO
Cu(OH)2
(CuOH)2CO3
CuCO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ag2S+S+H2O
Ag2S+H2O
Ag2O+Ag2S+H2O
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Ag+O3
Ag2O+O2
Ag2O
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ag+H2SO4
не реагируют
Ag2SO4+H2
Ag2SO4+SO2+H2O
Ag2SO4+S+H2O
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