Получение металлов
Quiz
•
Chemistry
•
9th - 11th Grade
•
Practice Problem
•
Medium
Алла Зимина
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11 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Реакция возможна между
Ag и K2SO4 (р-р)
Zn и KCl (р-р)
Mg и SnCl2 (р-р)
Ag и CuSO4 (р-р)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какой из металлов вытесняет железо из сульфата железа (II)?
Cu
Zn
Sn
Hg
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какой из металлов вытесняет медь из сульфата меди (II)?
Zn
Ag
Hg
Au
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Формула вещества, восстанавливающего оксид меди (II)
CO2
H2
HNO3
Cl2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Формула вещества, не восстанавливающего оксид
железа (III)
HCl
Al
H2
C
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Для осуществления превращений в соответствии со схемой:
Al(OH)3 → AlCl3 → Al
необходимо последовательно использовать
хлор и водород
хлорид натрия и водород
хлороводород и цинк
соляную кислоту и калий
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Пирометаллургический метод получения металлов отражает реакция
ZnS + O2 → ZnО + SO2
CuSO4 + Fe → FeSO4 + Cu
эл - из
3) 2NaCl ----→ 2Na + Cl2
CuSO4 + Zn → ZnSO4 + Cu
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