
Тест теория Амфотерные соединения
Quiz
•
Chemistry
•
11th Grade
•
Hard
Alesia Zyhmant
FREE Resource
11 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выберите оксиды, которые являются амфотерными
ZnO
SO2
BeO
CuO
Al2O3
2.
MATCH QUESTION
1 min • 1 pt
Подберите формулы продуктов реакций амфотерных оксидов, которые должны быть указаны на месте пропусков.
ZnSO4
ZnO + Н2SO4 = … + Н2О
Na2[Zn(ОН)4]
ZnO + NaOH (тв.) = …+ Н2О
Na2ZnO2
ZnO + 2NaOH (раств.) + Н2О = …
3.
DRAG AND DROP QUESTION
1 min • 1 pt
1) Al2O3 + 2NaOH (тв.) = 2 (a) + Н2О
2) Al2O3 + 2NaOH (раств.) + 3Н2О = 2 (b)
3) Al2O3 + 6NaOH (раств., изб.) + 3Н2О = 2 (c)
4.
DRAW QUESTION
3 mins • 1 pt
Закончите уравнения реакций, расставьте коэффициенты.
5.
DRAW QUESTION
3 mins • 1 pt
Закончите уравнения реакций, расставьте коэффициенты.
6.
DRAG AND DROP QUESTION
1 min • 1 pt
Закончите схему реакции:
ZnO + Na2CO3 = (a) + CO2
7.
DRAG AND DROP QUESTION
1 min • 1 pt
Закончите схему реакции: Al2O3 + Na2CO3 = (a) + CO2
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