Redox Reactions
5 Questions
| Total Attempts: 454
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This is a mini-quiz on redox reactions. Short and sweet!
Questions and Answers
- 1.What does the term 'oxidisation' refer to?
- A.
Gain of electrons
- B.
Loss of electrons
- C.
Gain of water molecules
- D.
Loss of water molecules
- 2.What is another term for 'oxidisers'?
- A.
Oxidising agent
- B.
Oxidant
- C.
Oxidiser
- D.
All of the above
- 3.What is the deposition of a metallic coating by putting a negative charge on an object and exposing it to a solution containing metal salt.
- A.
Oxidisation
- B.
Diffusion
- C.
Electroplating
- D.
Reduction
- 4.When do we say the oxidisation number has decreased?
- A.
When the oxidisation number increases
- B.
When the oxidisation number decreases
- C.
When one has lost electrons
- D.
When one has gained electrons
- 5.Cu(s)+½O2(g)---->??Find ??
- A.
Cu(II)SO4(aq)
- B.
CuO(s)
- C.
Cu(s)
- D.
O2(g)
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