Redoxní reakce
Authored by Vendula Šustková
Chemistry
9th Grade
Used 7+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co nepatří mezi neušlechtilé kovy
Na
Fe
Zn
Cu
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Který prvek vyredukuje vodík z kyseliny
Zn
Au
Pt
Cu
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Galvanický článek využijeme
V automobilu
K ochraně kovů před korozí
Při výrobě hliníku
Při výrobě oceli
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Označ pravdivé tvrzení o elektrolýze
Redoxní děje probíhají na katodách
Redoxní děje probíhají na elektrodách
Probíhá samovolně
Využívá střídavý elektrický proud
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Bude probíhat reakce
Mg + HCl ...
Ano
Ne
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Bude probíhat reakce
Cu + HBr ....
Ne
Ano
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Který z uvedených kovů nejochotněji tvoří kationty?
Cu
Zn
Fe
Na
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