Understanding Acids

What is an acid?

• A) A solution with excess H+ ions

• B) A solution with excess OH- ions

• C) A neutral solution

• D) A basic solution

Fill in the blank: The more H+ ions, the more ______ the solution.

• acidic

• basic

• neutral

• alkaline

What taste is commonly associated with acids?

• Sour

• Sweet

• Bitter

• Salty

Which property allows acids to break down certain substances?

• Corrosiveness

• Sweetness

• Viscosity

• Elasticity

What color does blue litmus paper turn when it comes into contact with an acid?

• The blue litmus paper turns red when it comes into contact with an acid.

• The blue litmus paper turns blue when it comes into contact with an acid.

• The blue litmus paper turns green when it comes into contact with an acid.

• The blue litmus paper turns yellow when it comes into contact with an acid.

Which of the following is a property of acids?

• Tastes sweet

• Conducts electricity

• Non-corrosive

• Turns red litmus paper blue

Name one example of an acid shown in the diagram.

• Hydrochloric acid

• Sulfuric acid

• Acetic acid

• Citric acid

Acids are considered corrosive because:

• they have a sour taste.

• they can react with metals to produce hydrogen gas.

• they turn blue litmus paper red.

• they can cause damage to living tissues and materials.

What is Acetic Acid commonly known as?

• Lemon Juice

• Vinegar

• Vitamin C

• Fertilizer

Citric Acid is found in which of the following?

• Vinegar

• Lemons

• Car batteries

• Steel