Chemické reakce
Authored by Barbora Gondeková
Chemistry
9th Grade
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co je to koroze?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Který z těchto kovů nepodléhá korozi?
železo
měď
zlato
zinek
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Korozi kterého kovu vidíš na obrázku?
meď
železo
stříbro
zinek
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Korozi kterého kovu vidíš na obrázku?
meď
železo
zlato
stříbro
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jak se nazývá zeleno-modrá vrstvička zkorodované mědi?
rez
sliz
měděnka
bílá rez
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co se stane se stříbrem na vzduchu?
nic
zmodrá
zčerná
přemění se na zlato
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co nepatří mezi způsoby ochrany proti korozi?
olejování
ochranný nátěr
pokovování
ponoření do vody
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