
Алюминий
Authored by Наталья Кислицына
Chemistry
9th Grade
Used 2+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Какая конфигурация соответствует атому алюминия?
1s22s22p63s23p3
1s22s22p63s2
1s22s22p1
1s22s22p63s23p1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
По распространенности в Земной коре алюминий занимает
1-е место
3-е место
2-е место
4-е место
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
В ряду элементов натрий →магний →алюминий:
увеличивается число электронных слоев в атоме
увеличивается число электронов во внешнем слое атома
увеличивается число протонов в ядрах атомов
уменьшается степень окисления элементов в оксидах
увеличивается радиус атома
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Современный способ получения алюминия
Аl2O3+ 3H2 = 2Al + 3H2O
АlCl3 + 3K = KCl + Al
2Аl2O3 = 4Al + 3O2
2Аl2O3+ 3C = 4Al + 3CO2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Выберите строку, в которой все вещества реагируют с алюминием
S, HCl, CaO
H2O, NaOH, HCl
О2, Cu, H2O
CO2, I2, NaOH
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Выберите строку, в которой не идет реакция между алюминием и солью
2Аl + 3CaCl2 = 2AlCl3 + 3Ca
2Аl + 3ZnCl2 = 2AlCl3 + 3Zn
2Аl+3FeCl2=2AlCl3+3Fe
2Аl + 3CuCl2 = 2AlCl3 + 3Cu
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Веществами Х и Y в схеме химической реакции Al2S3 + H2O → X + Y являются
Al(HS)3 и H2S
Al(OH)3 и H2S
Al(OH)S и H2S
Al2O3 и Al(HS)3
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