
Redox III in progress
Authored by Sussss San
Chemistry
9th - 12th Grade

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad vil det sige at afstemme redoxreaktionen surt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad er en tilskuerion
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad sker der med elektronerne i en redoxreaktion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad er forskellen mellem oxidation og reduktion i en redoxreaktion
Oxidation er tab af elektroner, mens reduktion er gevinst af elektroner.
Oxidation sker kun i syrer, mens reduktion sker i baser.
Oxidation og reduktion er identiske processer.
Oxidation er gevinst af elektroner, mens reduktion er tab af elektroner.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad betyder det at en ion er oxidationsmiddel
Det betyder at ionen ikke deltager i reaktionen.
Det betyder at ionen kan afgive elektroner.
Det betyder at ionen kan modtage elektroner.
Det betyder at ionen er neutral.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvordan kan man identificere en redoxreaktion
Ved at se på ændringer i temperatur.
Ved at observere ændringer i farve.
Ved at analysere ændringer i oxidationstal for reaktanterne.
Ved at måle pH-værdien.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad er et eksempel på en redoxreaktion i hverdagen?
Fordampning af vand.
Smeltning af is.
Opløsning af salt i vand.
Forbrænding af brændstof i en bilmotor.
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