Understanding Oxidation and Reduction

Which of the following is an example of an oxidation reaction?

In a redox reaction, what happens to the substance that is reduced?

• It gains electrons.

• It loses electrons.

• It gains oxygen.

• It loses hydrogen.

Which of the following is a reduction reaction?

• Zinc (Zn)

• Copper (Cu)

• Sulphur (S)

• Oxygen (O)

What is the role of a reducing agent in a redox reaction?

• It donates electrons.

• It accepts electrons.

• It donates protons.

• It accepts protons.

Which of the following equations is a balanced redox equation?

• None

Which of the following is a redox reaction?

• Sodium (Na)

• Chlorine (Cl)

• Sodium chloride (NaCl)

• None

Which of the following is an example of a redox reaction involving a metal and a non-metal?