Abeka 9th Science Quiz 31 L154

An atom that loses an electron in a reaction is said to be _______.

• oxidized

• molecule
• neutral atom
• anion

The scale that indirectly represents oxonium concentration using powers of 10 is the _______ scale.

• pH
• pH2O
• pKa
• pOH

Any ionic compound that does not contain a hydrogen ion or hydroxide ion is a _____.

• alkaline earth metal
• base
• acid
• salt

A reaction in which a strong acid reacts with a strong base to produce water and a salt is known as a _______ reaction.

• neutralization
• combustion
• reduction
• oxidation

A reaction in which electrons are transferred between atoms is a(n) _______ reaction.

• redox
• combustion
• oxidation
• reduction

A chemical substance that forms hydroxide ions when dissolved in water is a(n) ______.

• base
• neutral
• acid
• salt

The concentration of oxonium in a sports drink with a pH of 4 is ______ mol/L.

• 1 mol/L
• 0.01 mol/L
• 0.0001 mol/L
• 0.1 mol/L

Which cell produces electricity from a chemical reaction and cannot be run in reverse?

• Voltaic cell

• Storage cell

• Fuel cell
• Electrolytic cell

Which cell produces a chemical reaction from electricity and cannot be run in reverse?

• Electrolytic cell
• Fuel cell
• Storage cell

• Solar cell

Which cell produces electricity from chemical reactants continually replenished from an outside source?

• Voltaic cell

• Fuel cell
• Batteries
• Solar cell