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Worksheet: Redox Reactions
Q1:
Which of the following is not an oxidation-reduction reaction?
- A
- B
- C
- D
- E
Q2:
What is the process of the gain of an electron called?
- ASublimation
- BOxidation
- CTransference
- DReduction
- ENeutralization
Q3:
Which of the following statements is true?
- AAcid-base reactions always involve two different species.
- BReduction-oxidation reactions always produce at least two different species.
- CAcid-base reactions always produce water.
- DHydrogen ions can never act as a reducing agent.
- EMolecular oxygen can never act as a reducing agent.
Q4:
Which of the following is a substrate that is oxidized?
- AAnionic species
- BCationic species
- CNeutral species
- DReducing agent
- EOxidizing agent
Q5:
Which of the following is a substrate that is reduced?
- ACationic species
- BReducing agent
- CAnionic species
- DOxidizing agent
- ENeutral species
Q6:
What is the process of the loss of an electron called?
- ATransference
- BReduction
- CSublimation
- DOxidation
- ENeutralization
Q7:
A piece of magnesium oxide is heated with hydrogen until the magnesium is recovered. Is the magnesium oxide being oxidized or reduced?
- AReduced
- BOxidized
Q8:
Which of the following half-equations describes an oxidation?
- A
- B
- C
- D
- E
Q9:
Which of the following half-equations describes a reduction?
- A
- B
- C
- D
- E
Q10:
When a piece of magnesium oxide is heated with hydrogen, magnesium metal is produced. Is the hydrogen oxidized or reduced?
- AOxidized
- BReduced