Quiz: Reduction and Oxidation

Which process involves the transfer of electrons?

• double replacement

• neutralization

• oxidation-reduction

• sublimation

Tags

NGSS.HS-PS1-2

During which process does an atom gain one or more electrons?

• transmutation

• reduction

• oxidation

• neutralization

Tags

NGSS.HS-PS1-2

Which change in oxidation number indicates oxidation?

• -1 to +2

• -1 to -2

• +2 to -3

• +3 to +2

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

The oxidation number of nitrogen in N₂ is

• +1

• 0

• +3

• -3

The oxidation numbers of all the atoms in H₂SO₄ must add up to

• 0

• +5

• +9

• +16

Which of these equations represents a redox reaction?

• Ca(HCO₃)_{2 -->} CaCO₃ + H₂O + CO₂

• CH₃COOH + NaOH --> CH₃COONa + H₂O

• Zn + 2FeCl₃ --> ZnCl₂ + 2FeCl₂

• NaCl + AgNO_{3 -->} AgCl + NaNO₃

Tags

NGSS.HS-PS1-2

What element is being Oxidized?

• I
• H
• S
• O

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

     In the reaction Zn + H₂O --> ZnO₂ + H₂
 which element, if any, is oxidized? 

• Zinc
• Hydrogen
• Oxygen
• None

Tags

NGSS.HS-PS1-2

What element is being Reduced?

• N
• H
• O
• S

Tags

NGSS.HS-PS1-2

Oxygen always has an oxidation number of...

• -1
• 1
• 2
• -2

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1