1. Повторение галогенов (30 вопросов)
9th Grade
•30 Qs
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1. Повторение галогенов (30 вопросов)
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Динара Ахметова
Used 3+ times
FREE Resource
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30 questions
Show all answers
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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