Classifying Acids and Bases: The Arrhenius Concept

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

If a solution is basic which ion will be more present?

• H+
• K+
• OH-
• H-

Which of the following will conduct electricity? Select all that apply

• Acidic solutions

• Basic solutions

• Ionic solutions

• Neutral covalent solutions

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

Which of the following is a binary acid?

• H₂SO₄

• HNO₃

• H₂Se

• HC₂H₃O₂

Tags

NGSS.HS-PS1-1

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

• H⁺¹

• OH^-1