
Вопросы по водороду
Authored by химия гимназия
Chemistry
8th Grade

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите состав молекулы водорода
Н
Н2
Н3
Н2О
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Валентность и относительная атомная масса водорода равны:
1 и 2;
2 и 2;
1 и 1;
1 и 1,5.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
«Гремучий газ» - смесь водорода с кислородом в соотношении:
2:1;
1:1;
1:2;
произвольном.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Водород легче воздуха
в 20 раз
в 14,5 раз
в 28 раз
в 10 раз
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Водород в промышленности получают
действием соляной кислоты на цинк
конверсией природного газа
действием раствора щелочи на алюминий
взаимодействием активных металлов с водой.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Относится к реакции восстановления:
FeО + Н2 = Fe + Н2О;
Zn + Cl2 = ZnCl2;
Zn + S = ZnS;
4Р + 5О2 = 2Р2О5.
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