Identify Acids and Bases

According to the pH range which substance is more acidic than lemon juice

• Hydrochloric acid

• cabbage

• milk

Acidic solutions exhibit a higher ratio of H₃O⁺ ions, known as...

• neutrons

• hydroxide

• electrons

• hydronium

Do acids and bases conduct electricity?

• Only acids conduct electricity

• Only bases conduct electricity

• Bases and acids conduct electricity

• Neither conduct electricity

Which of the following indicators turn red in an acidic solution?

• phenolphthalein

• red litmus

• turmeric

• methyl orange

Acids are __________, which means they "eat away" at other materials.

• transitional metal

• alkaline

• flammable

• corrosive

What range of values on the pH scale represent solutions with a higher ratio of hydroxide (OH^-) ions?

• below 7

• 7

• above 7

• 0-14

Which of the following shows the correct conjugate acid base pair?

• HCI (acid) / H₃O⁺ (conjugate base)

• HCI (acid) / CI^- (conjugate base)

• HCI (base) / CI^- (conjugate acid)

• HCI (base) / H₃O⁺ (conjugate acid)

A sour taste is a characteristic of:

• acids

• bases

• neutral

• pH scale

Which is a characteristic of a base?

• tastes sour

• found mostly in foods

• feels slippery

• turn litmus paper red

According to Arrhenius, what is the definition of an ACID?

• a substance that contains hydroxide and ionizes to produce OH-

• a substance that contains hydrogen and ionizes to produce H+

• a substance that contains hydrogen and ionizes to produce OH-

• a substance that contains hydroxide and ionizes to produce H+