Redox Reactions Quiz

What is a redox reaction?

• A reaction that does not involve oxygen

• A chemical reaction involving oxidation and reduction

• A reaction involving only reduction

• A reaction involving only oxidation

What happens during oxidation?

• A substance loses hydrogen

• A substance gains hydrogen

• A substance loses electrons

• A substance gains electrons

What is the role of an oxidizing agent?

• It loses electrons

• It is oxidized in the reaction

• It is reduced in the reaction

• It gains electrons

What does the term 'electropositivity' refer to?

• The tendency of an atom to lose electrons

• The tendency of an atom to form ionic bonds

• The ability of an atom to form covalent bonds

• The ability of an atom to gain electrons

What is the standard electrode potential of the hydrogen electrode?

• 1.00 V

• -0.76 V

• 0.76 V

• 0.00 V

What is the purpose of electrolysis?

• To increase temperature

• To create new compounds

• To break down compounds

• To combine elements

What is a common application of electrolysis?

• Cleaning surfaces

• Generating heat

• Extracting metals

• Cooking food

What happens during the corrosion of iron?

• Iron gains oxygen

• Iron loses oxygen

• Iron loses electrons

• Iron gains electrons

Which of the following is a method to prevent rusting?

• Heating

• Using water

• Applying oil

• Exposing to air

What is the main component of a galvanic cell?

• Two different metals

• A gas

• A non-metal

• A single metal