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Повторение

Authored by Liza S

Chemistry

11th Grade

Used 1+ times

Повторение
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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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