
амфотерность
Authored by Irina Shirokova
Chemistry
9th Grade
Used 3+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Кислотному оксиду соответствует
Кислота
Основание
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Основному оксиду соответствует
Кислота
Основание
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
По периоду основные свойства оксидов и гидроксидов
ослабевают
усиливаются
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Кислотные свойства оксидов и гидроксидов по периоду
усиливаются
ослабевают
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Кислотные свойства оксидов в ряду: N2O5--P2O5--As2O5--Sb2O5
Усиливаются
Ослабевают
Не изменяются
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Как изменяются кислотные свойства оксидов в ряду СО2 - SiО2 - GeО2 - SnО2 - PbО2
Сначала усиливаются, потом ослабевают
усиливаются
ослабевают
Сначала ослабевают, потом усиливаются
7.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Как изменяются основные свойства оксидов в ряду Al2O3 - MgO - Na2O - K2O?
Ослабевают
Усиливаются
Не изменяются
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