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1. Повторение галогенов (30 вопросов)

Authored by Динара Ахметова

Chemistry

9th Grade

Used 5+ times

1. Повторение галогенов (30 вопросов)
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cu + F2

CuF2

CuF

не реагирует

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

HF + H2SO4 =

нет р-ции

F2 + SO2 + H2O

HF + H2SO4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

P + Cl2

1) PCl5

2) PCl3

-

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

HI + H2SO4 (конц) =

= I2 + SO2 + H2O

р-ция не идет, т к две ксилоты

р - ция не идет, т к нужна разбавленная кислота

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cl2 + KOH (холодный раствор) =

= KClO4 + KCl

= KCl + KClO

не реагирует

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

I2 + HNO3 =

HIO3 + NO2 + H2O

р-ция не идет

I2 + NO2 + O2

N2 + HI

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

NaCl + H2SO4 =

= NaHSO4 + HCl

р-ция не идет

Na2SO4 + Cl2

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