Acids & Bases

Acids & Bases

Multiple Choice

The substance that dissolves the solute in a solution is the ____.

• solvent
• sour
• solute
• hydrogen ions

Multiple Choice

What type of compound are acids and bases?

• Ionic

• Molecular (covalent)

Multiple Choice

Acids contain which cation?

• Cl^-

• Na⁺

• OH^-

• H⁺

Multiple Select

Check the properties of acids

• taste sour

• taste bitter

• high pH

• low pH

• reacts with active metals to form H₂

Multiple Choice

What color does litmus paper turn in the presence of an acid?

• blue
• black
• green
• red

Multiple Select

Check the properties of bases

• taste sour

• taste bitter

• high pH

• low pH

• reacts with active metals to form H₂

Multiple Choice

Which of the following is NOT a characteristic of an acid?

• sour taste
• corrosive
• it feels slippery
• it can burn the skin

Multiple Choice

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+

Multiple Select

Check the correct description for an acid and the correct description for a base.

• Acids donate H⁺ ions

• Acids accept H⁺ ions

• Bases donate H⁺ ions

• Bases accept H⁺ ions

Multiple Choice

Acids contain hydrogen ions (H⁺) or Hydronium ions. Which of the following is a hydronium ion?

• OH^-

• H₃O⁺

• Hg⁺

• Cl^-

Multiple Choice

A neutralization reaction will (almost) always produce...

• water & salt
• water
• salt
• water & carbon

Multiple Choice

These can burn you if they are strong enough.

• Acids

• Bases

• Water

• Acids & Bases

Multiple Choice

What would be considered the strongest base?

• 8

• 14

• 7.8

• 11.6

Multiple Choice

The pH scale is a range from:

• 1-7

• 0-14

• 1-5

• 1-14

Multiple Choice

According to the pH scale, which item is more acidic than lemons?

• battery

• vinegar

• milk

• blood

Multiple Choice

Which of the following is neutral?

• milk
• eggs
• gummy worms
• pure water

Multiple Choice

A substance that is a 10 on the pH scale would be a(n) ____.

• acid
• neutral
• base
• indicator

Multiple Choice

Bases are located where on the pH scale?

• any number can be a base
• below 7
• above 7
• number 7 is a base

Multiple Choice

A substance that is 3 on the pH scale would be a(n):

• acid

• base

• neutral

• solute

Multiple Select

What is true when acids and bases neutralize each other.

• The concentration of H+ and OH- is the same

• Salt Water is produced

• [H⁺] = [OH^-]

• [H⁺] > [OH^-]

Multiple Choice

Water has a neutral pH because

• it has more H+ ions than OH-

• it has more OH- ions than H+

• it does not produce any ions

• it has an equal amount of H+ and OH- in solution

Multiple Choice

What is the pH of a solution with a [H⁺] = 1.0 x 10^-8

• 6

• 8

• 3

• 14