"An acid is a substance that donates H+ ions during a chemical reaction" was stated by...

• Arrhenius

• Bronsted-Lowry

• Lewis

According to Arrhenius, what ions do bases release when they dissolve in water?

• Hydrogen ions H+

• Hydride ions H-

• Hydroxide ions OH-

• Electrons e-

Chemists usually refer to Hydrogen ions H+ as...

• Protons

• Electrons

• Photons

• Neutrons

Check all pH values that correspond to basic substances

• 6

• 9

• 3

• 8

• 12

What is the pH value of neutral substances?

• 3

• 5

• 7

• 9

• 11

Acids react with metals

• True

• False

Acids and bases denature proteins

• True

• False

The following litmus paper DOES NOT change color when it is exposed with...

• An acid

• A base

A substance that turns red cabbage indicator into green is...

• An acid

• A base

• Neutral

Both acids and bases are bad conductors of electricity

• True

• False