
Цинк + медь

Quiz
•
Other
•
12th Grade
•
Hard
СМИТАП | Онлайн-школа
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
При реакции цинка с очень концентрированной азотной кислотой выделяется:
NO2
NO
N2O
N2
NH4NO3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
При реакции цинка с очень разбавленной азотной кислотой выделяется:
NO2
NO
N2O
N2
NH4NO3
3.
DROPDOWN QUESTION
1 min • 1 pt
Степень окисления цинка в комплексной соли является: (a)
4.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
C какими веществами реагирует CaCO3?
SiO2
SO2
Al2O3
NO2
5.
DROPDOWN QUESTION
1 min • 1 pt
Продукты реакции Na[Al(OH)4] + H2S (a)
6.
MATCH QUESTION
1 min • 5 pts
Соотнесите с продуктами реакции:
Na[Al(OH)4] + NaCl
Al2O3 + NaOH изб
NaAlO2
Al + NaOH изб
Al(OH)3 + NaCl
AlСl3 + NaOH нед
Na[Al(OH)4]
AlСl3 + NaOH изб
Na[Al(OH)4]
Al2O3 + NaOH сплав
7.
MULTIPLE SELECT QUESTION
45 sec • 3 pts
С какими веществами не реагирует медь?
N2
H2
Si
I2
S
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