Важнейшие соединения железа
Quiz
•
Chemistry
•
10th Grade
•
Hard
Татьяна Александровна Кунай
Used 1+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Металл, реагирующий с разбавленной серной кислотой при обычных условиях:
Ag
Сu
Fe
Hg
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
При горении железа в кислороде образуется
FeO
Fe2 O3
Fe3O4
FeS2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Гидроксид железа (III) проявляет свойства
амфотерные
кислотные
основные
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Электронная формула внешнего энергетического уровня и предвнешнего d – подуровня:
…3d6 4s2
…3d74s2
… 3d84s2
… 3d8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
При взаимодействии солей Fe3+ со щелочами образуется осадок:
белого цвета
зеленого цвета
бурого цвета
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Соли железа (III) получают при взаимодействии железа
с растворами кислот
с концентрированными растворами
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Химическое соединение Fe3O4 называется:
магнетит
лимонит
пирит
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