
Хлор, халогенна група.
Authored by Yoana Dragomirova
Chemistry
3rd Grade
10 Questions
Used 20+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
- Коя група свойства се отнася за простото вещество хлор?
безцветен газ
жълтозелен газ
електропроводим
топлопроводим
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.Строежът на простото вещество хлор е:
атомен
молекулен
йонен
кристален
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кое е веществото А в химичното уравнение?
H2
O2
H20
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.С кое хемично уравнение се означава взаимодействието на желязо с хлор, при което се получава железен трихлорид?
Fe + 3Cl - FeCL3
6Fe + Cl2 - 2Fe3CL
2Fe + 3Cl2 - 2FeCL3
Fe + Cl2 - FeCL3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.Водния разтвор на хлороводород се нарича:
хипохлориста киселина
хлорна киселина
солна киселина
натриев хидроксид
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.С кое уравнение е означен процесът неутрализация?
Na2O + 2HCL - 2NaCL + H2O
CuO+ 2HCL - CuCL + H2O
2NaOH + CO2 - Na2CO3 + H2O
HCL + NaOH - NaCL + H2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.Кое от свойствата Не се отнася за простите вещества на халогенните елементи?
имат характерен цвят
имат специфичен мирис
провеждат електричен ток
разтварят се в разтворители
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