Unit 14 Review Acid Base

A conjugate _______ is the particle that remains when an base has accepted a hydrogen ion.

• acid

• base

• salt

• water

A substance that can act as both an acid and a base is said to be 

• amphibian

• ambivalent

• ambidextrous

• amphoteric

H₂SO₃ is a

• Monoprotic acid

• diprotic acid

• triprotic acid

Water is neutral because the number of hydrogen and hydroxide ions is _________.

• different

• the same

The table shows the pH of several solutions. Which solution is the most acidic?

• vinegar

• milk

• water

• bleach

Zn(OH)₂ is an example of a...

• acid

• base

• salt

• water

Phenolphthalein is pink in an aqueous solution having a pH of

• 2

• 7

• 5

• 9

Which pair of compounds represents one Arrhenius acid and one Arrhenius base?

• CH₃OH and NaOH

• CH₃OH and HCl

• HNO₃ and NaOH

• HNO₃ and HCl

Which of the following is the correct definition for a strong acid?

• Partially dissociates into ions when dissolved in water and the change is not reversible

• Fully dissociates into ions when dissolved in water and the change is not reversible

• Fully dissociates into ions when dissolved in water and the change is reversible

• Partially dissociates into ions when dissolved in water and the change is reversible

A wasp sting injects an alkaline (basic) substance into your skin. What could you use to neutralize it?

• baking soda (pH = 8)

• vinegar (pH = 2.5)

• water (pH = 7)