
elektrolýza
Authored by Michaela Dušáková
Chemistry
1st - 2nd Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proč je kapalina vodivá?
Díky kovovému šrotu, co leží na dně
Obsahuje volné ionty
Je roztokem soli, zásady nebo oleje
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Částicemi, které nesou náboj v kovových vodičích jsou….
Elektrony
Ionty
Protony
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Proč při elektrolýze používáme stejnosměrný proud?
Střídavý proud není příliš efektivní na elektrolýzu
Stejnosměrný je vždy lepší!
Je to dáno konvencí
Nechceme měnit polaritu elektrod
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co je katoda?
Kladně nabitá elektroda
Typ volného elektronu
Záporně nabitá elektroda
Záporně nabitý ion
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Jaké ionty plavou v roztoku NaCl?
vodné
sodné
kyslíkaté
chloridové
chlorové
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Označ produkty elektrolýzy solanky (roztoku NaCl).
kovový sodík
peroxid sodný
hydroxid sodný
chlór
vodík
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
K čemu můžeme elektrolýzu použít?
Pokovování
Čištění kovů
Produkce kovů
Produkce plynů
Produkce hydroxidů
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