Acids & Bases

Acids have a ____ pH, and bases have a ____ pH.

• high, low

• low, high

• high, high

• low, low

Substances that are neutral have a pH of ____.

• 7

• 0

• 14

• 6-8

Acids produce _____ ions in solution.

• H+

• OH-

• H2O

• Cl-

Which statement is true?

• Strong acids and strong bases dissociate partially.

• Strong acids and bases dissociate completely.

• Acids dissociate completely and bases dissociate partially.

• Bases dissociate completely and acids dissociate partially.

If HCl reacted with NaOH, what would the products be?

• H2O and NaCl

• OH and NaCl

• H3O and ClO

• NaH and ClOH

Which of the following is a base?

• KOH

• HF

• H3O

• KCl

What produces hydronium ions and and what is its formula?

• acids; H+

• bases; H+

• acids; H3O+

• bases; H3O+

What ion do bases produce?

• H+

• OH-

• H3O

• H2O

An unknown aqueous solution turns phenolphthalein pink. What must be true about this substance?

• it is an acid

• it has hydroxide ions

• it would turn pH paper pink

• it would turn blue litmus paper pink

• it has hydrogen ions

What are the reactants of a neutralization reaction?

• acid + base

• acid + water

• base + salt

• water + salt