Расстановка коэффициентов

Quiz
•
Chemistry
•
7th Grade
•
Medium

Alina K
Used 38+ times
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Какой коэффициент будет вместо "?": N2 + O2 → ?NO
Коэффициент не нужен
2
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5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Какой коэффициент будет вместо "?": 2NaBr + ?Cl2 → 2NaCl + Br2
Коэффициент не нужен
2
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5
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Какой коэффициент будет вместо "?": ?Mg + O2 → 2MgO
Коэффициент не нужен
2
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5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Какой коэффициент будет вместо "?": Fe2O3 + ?H2 →2Fe + 3H2O
Коэффициент не нужен
2
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4
5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Какой коэффициент будет вместо "?": 2P + ?Cl2 → 2PCl5
Коэффициент не нужен
2
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5
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Какой коэффициент будет вместо "?": CaCl2 + ?NaOH →Ca(OH)2 + 2NaCl
Коэффициент не нужен
2
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5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Какой коэффициент будет вместо "?": ?NH3 → N2 + 3H2
Коэффициент не нужен
2
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