Оксиды
Flashcard
•
Chemistry
•
7th Grade
•
Hard
Екатерина Михайловна
FREE Resource
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13 questions
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1.
FLASHCARD QUESTION
Front
Число оксидов в ряду соединений NaOH, H2, P2O5, FeCl2, HBr, FeSO4, HNO3, N2O
Back
2
2.
FLASHCARD QUESTION
Front
Формула оксида фосфора (III)
Back
P2O3
3.
FLASHCARD QUESTION
Front
Какая запись верная для формулы - оксид азота(IV)?
Back
NO2
4.
FLASHCARD QUESTION
Front
надо составить: оксид серы (IV)
Back
SO2
5.
FLASHCARD QUESTION
Front
Сумма коэффициентов в уравнении реакции, схема которой O2 + Fe = Fe3O4
Back
6
6.
FLASHCARD QUESTION
Front
Вещество MnO2 - это:
Back
оксид марганца (IV)
7.
FLASHCARD QUESTION
Front
Укажите ряд, состоящий ТОЛЬКО из формул оксидов: Na₂O, H₂SO₄, CO₂; Fe₂O₃, MgO, K₂O; NaOH, HNO₃, NO₂; P₂O₅, H₃P, HCI.
Back
Fe₂O₃, MgO, K₂O
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