
Redox reakce II
Authored by Kateřina Koubíková
Science
9th - 12th Grade

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Vysvětlím princip oxidačně redukčních reakcí na příkladu z praxe a běžného života
0-20 %
20-40 %
40-60 %
60-80 %
80-100 %
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
V chemické reakci na obrázku je kyslík:
reaktantem
produktem
katalyzátorem
výchozí látkou
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zaškrtni příklad koroze kovů:
železo (0) → železo (III)
měď (III) → měď (0)
železo (II) → železo (0)
titan (IV) → titan (IV)
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Jaké potraviny mohou žluknout?
mouka
olej
máslo
rohlík
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
K čemu se v praxi využívá redox reakce C + O2 → CO2?
topení
ukládání energie do baterií
výroba elektřiny
výroba plastů
6.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Vyčíslím redox reakci s použitím redoxního kříže.
0-20 %
20-40 %
40-60 %
60-80 %
80-100 %
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