Acids and Bases Basics

What type of substance is HCl an example of?

• Base

• Neutral

• Acid

• Salt

What is NaOH an example of?

• Acid

• Base

• Neutral

• Salt

What does a pH less than 7 indicate?

• Neutral solution

• Basic solution

• Acidic solution

• Salty solution

What does a pH greater than 7 indicate?

• Neutral solution

• Basic solution

• Acidic solution

• Salty solution

What does the pH scale measure?

• Concentration of Na⁺ ions

• Concentration of OH⁻ ions

• Concentration of H₃O⁺ ions

• Concentration of Cl⁻ ions

Which of the following diagrams represents an basic solution?

• Diagram A

• Diagram B

• Diagram C

• None of the above

What is the main ion present in a basic solution?

• H3O+

• OH-

• H2O

• Na+

Which ion is more prevalent in an acidic solution?

• OH-

• H3O+

• Na+

• Cl-

Which graph represents a neutral solution?

• A

• B

• C

• none are neutral

Label the boxes as OH- or H+

a

b

H+

OH-