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- 1. Multiple ChoiceAnother name for a "oxidation-reduction" reaction ischemical reactionneutralization reactionredox reactionnuclear reaction
- 2. Multiple Choice
Oxidation is the _________ of electrons.
loss
gain
sharing
transfer
- 3. Multiple Choice
Reduction is the ___________ of electrons.
loss
gain
sharing
transfer
- 4. Multiple Choice
Gaining hydrogen is an example of...
oxidation
reduction
- 5. Multiple Choice
Gaining oxygen is an example of...
oxidation
reduction
- 6. Multiple Choice
In a redox reaction, the species reduced
gains electrons and is the oxidizing agent
loses electrons and is the oxidizing agent
loses electrons and is the reducing agent
gains electrons and is the reducing agent
- 7. Multiple ChoiceWhich statement is true:
Mg → Mg2+ + 2e–Mg gains 2 electronsMg2+ loses 2 electronsMg loses 1 electronMg loses 2 electrons - 8. Multiple Choice
In a reaction, copper is reduced; its number of electrons has:
Increased
Decreased
Remained Constant
Varies Randomly
- 9. Multiple ChoiceIn the reaction
2Ca(s) + O2(g) --> 2CaO(s), calcium is __________ReducedSynthesizedOxidizedNone of the above - 10. Multiple Choice
Substance that oxidizes another substance by accepting its electrons.
reducing agent
oxidation number
combustion
oxidizing agent
- 11. Multiple ChoiceIn the reaction Zn + H2O --> ZnO2 + H2
which element, if any, is oxidized?ZincHydrogenOxygenNone - 12. Multiple ChoiceWhat substance is oxidized in the following reaction?
4Fe + 3O2 --> 2Fe2O3IronFluorineOxygen - 13. Multiple Choice
Cl2 + 2e- --> 2Cl - is an example of:
a chemical reaction
redox
oxidation
reduction
- 14. Multiple Choice
Substance that oxidizes another substance by accepting its electrons.
reducing agent
oxidation number
combustion
oxidizing agent
- 15. Multiple Choice
Substance that reduces another substance by losing electrons.
reducing agent
half-reaction
electronegative atom
oxidizing agent
- Answer choicesTagsAnswer choicesTags