Acids and Bases Quiz

What is the reason that acid solutions can conduct electricity?

• They have free H+ ions.

• They have free electrons.

• They have free OH- ions.

• They have free Na+ ions.

What happens when HCl gas is exposed to dry litmus paper?

• There is no color change.

• It turns red.

• It turns green.

• It turns blue.

What ions are produced when a base is dissolved in water?

• Na+ ions

• Cl- ions

• H+ ions

• OH- ions

What are alkalis?

• Bases that are soluble in water

• Acids that are insoluble in water

• Bases that are insoluble in water

• Acids that are soluble in water

Why must care be taken during the dilution process?

• It causes a color change.

• It is an endothermic process.

• It is an exothermic process.

• It releases harmful gases.