Acids and Bases

A hydrogen ion, H⁺, is the same as a(n):

• neutron
• electron
• proton
• hydroxide ion

Acidic foods can be identified by what taste?

• salty
• sour
• bitter
• sweet

OH^- is called the:

• hydrate ion
• hydrogen ion
• hydronium ion
• hydroxide ion

According to the Arrhenius theory, acids increase the concentration of what in water?

• H⁺ ions
• hydrate ions
• hydroxide ions
• OH^- ions

An unknown substance is added to a solution and the pH increases. The substance is:

• acidic
• basic
• solvent
• sweet

According to Arrhenius theory, what gives acids its properties?

• H⁺ ion
• valence electrons
• bonds
• OH^- ion

Which of the following is most likely to be basic:

• Lemon juice
• Vinegar
• Laundry detergent
• Coke

Which substance turns litmus paper blue?

• Acids
• Bases
• Salts
• All

Acidity and basicity can be measured by its concentration of ____

• pH
• H⁺
• OH^-
• none of the above 

The pH of a 0.001 M solution of HCl is 

• 11
• 3
• -3
• -11

Tags

NGSS.HS-PS1-5