
ТЭД * 8 класс
Authored by Сергей Мизин
Chemistry
8th Grade
Used 21+ times

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6 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Укажите вещества, водные растворы которых проводят электрический ток:
спирт
сахар
щелочь
поваренная соль
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Укажите "лишнее":
раствор сахара
раствор спирта
раствор глюкозы
соль
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Процесс распада электролита на ионы при растворении или расплавлении называется:
ассоциацией
электролитической диссоциацией
гидратацией
растворением
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Сложными ионами являются:
SO42-
NO3-
S2-
H+
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Укажите "лишнее":
NaOH = Na+ + OH-
KOH = K+ + OH-
NaCl = Na+ + Cl-
Ba(OH)2 = Ba2+ + 2OH-
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Укажите "лишнее"
HCl= H+ +Cl-
NaCl= Na+ +Cl-
H2SO4 =2H+ +SO42-
HNO3 = H+ +NO3-
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