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Authored by Иван Рыбин
Chemistry
1st - 5th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Щёлочь-едкие вещества. При попадании концентрированных растворов щелочей на кожу появляются ничего не происходит. В твёрдом виде всегда чёрные.
Правильное определение
Неправильное определение
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Гидроксиды – простые органические вещества, в состав которых входят атомы металла и гидроксогруппы -AH.
Правильное определение
Неправильное определение
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите растворимое основание:
Ba(oh)2
Fe(oh)2
So2
Zn(oh)2
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Выберите растворимое основание:
Ca(oh)2
Sr(oh)2
Naoh
Agoh
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите нерастворимое основание:
koh
Naoh
Lioh
Fe(oh)3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите амфотерный гидроксид:
Fe(oh)3
Ba(oh)2
Sr(oh)2
Naoh
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В каком ряду все гидроксиды сильные
Naoh
Fe(oh)2
Ca(oh)2
Ca(oh)2
Mn(oh)2
Koh
Lioh
Ca(oh)2
Naoh
Fe(oh)2
Ca(oh)2
Al(oh)3
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