acids and bases

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+

NaOH is:

• an Arrhenius base

• an Arrhenius acid

• neither an acid nor a base

• both an acid and a base

Which of the following are properties of acids but not bases? Select all that apply.

• Changes the color of an indicator

• Sour taste

• Reacts with metals to produce hydrogen gas

• Feels slippery

Neutralization is the process of an acid and a base reacting to form what? Select all that apply

• An ionic salt

• Hydronium ions

• NaCl

• Water

When using the Arrhenius model, what types of ions indicate that a compound is a base?

• H⁺¹

• OH^-1

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

• Hydrochloric acid
• cabbage
• milk

Neutralization reactions

• formed from joining positive and negative ions 
• increases OH ions
• froms a salt and water
• increases H2O ions

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

• transitional metal

• alkaline

• flammable

• corrosive