Redoxireakciók
Authored by Janka Juhász
Chemistry
8th Grade
Used 2+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Az oxidáció minden olyan reakció, amelyben egy anyag ...
elektront vesz fel.
protont vesz fel.
elektront ad le.
protont ad le.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A szén jó redukálószer.
Igaz
Hamis
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A magnézium égése során az oxigén a redukálószer szerepét tölti be.
Igaz
Hamis
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A redukció elektronleadást jelent.
Igaz
Hamis
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Réz-szulfátba cinklemezt helyezünk. Történik-e reakció?
Igen, réz válik ki a cinklemez felületén.
Nem.
Igen, cink képződik a cinklemez felszínén.
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