Druskos - chemijos pramonės žaliava

Quiz
•
Chemistry
•
9th Grade
•
Hard
Lorenta Juškienė
Used 58+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokias medžiagas gauname, atliekant NaCl tirpalo elektrolizę?
Cl2, NaOH, O2
Cl2, KOH, O2
Cl2, KOH, H2
Cl2, NaOH, H2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl tirpalo elektrolizės metu Cl- jonai judės link:
Katodo
Anodo
Liks tirpale
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl vandeniniame tirpale elektrolizės metu nesusidaro:
NaOH
Metalinis Na
H2 dujos
Cl2 dujos
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ant katodo vyksta:
Oksidacija
Redukcija
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ant anodo vyksta:
Oksidacija
Redukcija
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atliekant NaCl vandeninio tirpalo elektrolizę, H2 dujos išsiskirs ant
Anodo
Katodo
Neišsiskirs
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuris teiginys neteisingas?
oksidatorius prisijungia elektronus
and anodo vyksta oksidacija
oksidacijos metu prijungiami elektronai
ant katodo vyksta redukcija
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