Повторение
11th Grade
•18 Qs
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Повторение
Quiz
•
Chemistry
•
11th Grade
•
Medium
Liza S
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В каком варианте только типичные окислители?
O2, KMnO4, HNO3
SO2, S, H2SO4
Fe2(SO4)3, NaClO, FeSO4
K2Cr2O7,NH3, H2S
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В каком варианте только типичные восстановители?
P, NH3, HNO3
SO2, S, Na
S, Zn, FeSO4
K2Cr2O7,NH3, H2S
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Верные продукты реакции l2+NaOH на холоде
Nal+NalO3+H2O
Nal+NalO+H2O
Nal+H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Верные продукты реакции S+NaOH
Na2SO4+H2O
Na2S+Na2SO3+H2O
Na2SO3+H2O
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Верные продукты реакции Si+NaOH
Na2SiO3+H2O
SiH4+Na2SiO3+H2O
Na2SiO3+H2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CrCl3 в щелочной среде в процессе овр переходит в
K2CrO4
K2Cr2O7
нет овр
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выбрать K2MnO4
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