
Химиясуммативнаяработазараздел
Authored by Умирбек Умирзаков
Chemistry
8th Grade
Used 19+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите правильный порядок уменьшения активности металлов
Na, Ba, Fe, Zn
Ba, Na, Zn, Fe
Cu, Pb, Al, Cr
Al, Co, Pb, Fe
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая реакция составлена правильно
2Mg + O2 = 2MgO
Cu + O = CuO
2Ag + O2 = 2AgO
Ba + O2 = BaO2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой металл вытесняет железо из раствора хлорида железа (III)
олово
медь
кобальт
хром
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая реакция составлена правильно
Cu + 2HCl = CuCl2 + H2
Mg + 2HCl = MgCl2 + H2
2Ag + HNO3 = 2AgNO3 + H2
Hg + 2HCl = HgCl2 + H2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая реакция составлена правильно
2Al + 6H2O(горячая) = 2Al(OH)3 + 3H2
Mg + H2O(холодная) = MgO + H2
2Li + 2H2O(холодная) = 2LiOH + H2
Cu + H2O(горячая) = CuO + H2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Металлы находящиеся после водорода в ряду активности металлов ...
вытесняют водород
вытесняют водород, с образованием гидроксида(ОН) и водорода
вытесняют водород с образованием оксида и водорода
не вытесняют водород
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите пару металлов, которые вытесняют водород из HCl
свинец и медь
серебро и ртуть
цинк и хром
магний и золото
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