Unit 2 AOS 1 - Redox reactions (10)

• +2

• +4

• +6

• -2

• +7 to +2

• +2 to +7

• +4 to +2

• +2 to +4

Which of the following methods is commonly used for corrosion prevention?

• Electroplating

• Combustion

• Distillation

• Fermentation

• Magnesium

• Oxygen

• Both Magnesium and Oxygen

• Neither Magnesium nor Oxygen

• Magnesium

• Oxygen

• Both Magnesium and Oxygen

• Neither Magnesium nor Oxygen

Which metal is the most reactive according to the reactivity series of metals?

• Gold

• Iron

• Potassium

• Copper

In a redox reaction, the substance that gains electrons is called the:

• Oxidant

• Reductant

• Catalyst

• Inhibitor

In a redox reaction, the substance that loses electrons is called the:

• Oxidant

• Reductant

• Catalyst

• Inhibitor

Which of the following pairs is an example of conjugate redox pairs?