
Генетическая связь
Authored by Снежана Мурзина
Chemistry
8th Grade
Used 12+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Формула вещества, обозначенного Х в цепочке превращений
Р → Х → Н3РО4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Элементом Э в цепочке превращений
Э → ЭО2 → Н2ЭО3
может быть:
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Общая схема Э → ЭО → Э(ОН)2 соответствует генетическому ряду:
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Назовите вещество, которое обозначено Х в генетической цепочке
H2S → X → H2SO3
оксид серы(II)
оксид серы(IV)
серная кислота
сульфат натрия
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Назовите вещество, которое обозначено Х в генетической цепочке Zn(OH)2 →t X → ZnCl2
ZnO
Zn2O
ZnO2
ZnOH
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Назовите вещество, которое обозначено Х в генетической цепочке MgCO3 →t X → MgCl2
MgO
CO2
Mg(OH)2
MgCl
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Назовите вещество, которое обозначено Х в генетической цепочке FeCl2 → X → FeSO4
Fe(OH)2
Fe2O3
Fe
FeS
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