Acids and Bases

Which of the following is a property of a base?

• bitter taste

• reacts with metals

• salty

• sour taste

This ion is responsible for the properties of bases

• Sodium ion

• Hydrogen ion

• Hydroxide ion

• Oxide ion

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

• neutral solution.

• stronger acid.

• impossible to tell without testing the pH.

• stronger base

Which of the following statements is correct?

• Blue litmus paper turns red when placed in a base.

• Red litmus paper turns blue when placed in a base.

• Blue litmus paper stays blue when placed in an acid.

• Red litmus paper stays red when placed in a base.

Values from 0-14 that determine the acidity of a solution

• Punnett Square

• Matrix

• pH scale

• Math number line 

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

Which of the following is an acid?

• vinegar

• bleach

• sugar in water

• starch in water

• toothpaste in water

Which of the following pH values represents a base?

• 2.1

• 4.6

• 6.8

• 8.1

Which of the following is an acid?

• shampoo

• baking soda

• orange juice

• water

Ammonia has a pH of 12.  Ammonia is __________.

• an acid

• a base

• an element

• a metal