Acids & Bases Quiz

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

• enzyme

• fatty acid

Which of the following statements about acids is true?

• They taste sweet.
• They taste sour.
• They have a pH between 8-14.

Heterogeneous is a mixture that you CAN see the different pieces.

• True

• False

What does a pH scale do?

• Tells if a substance is an acid or base
• Measures the strength and weakness of acids and bases
• Both statements are correct

What is another name for a base?

• Acid
• Alkaline
• pH

What is the pH of water?

• 11
• 4
• 7

If an acid is combined with a base of equal strength, the result will most likely be

• a neutral solution.
• a stronger acid.
• impossible to tell without testing the pH.
• a stronger base

Which of the following is a base?

• orange juice
• water
• vinegar
• dishwashing detergent

Litmus paper can be used to determine the _______ of a substance.

• volume

• temperature
• pH level

• chemical formula

 Which of the following is an acid?

• baking soda
• orange juice
• water
• bleach