acids and bases

Which is an acid?

• H2S

• NaOH

• NaCl

• HeF2

What is the conjugate base of H3N?

• H4N

• NOH

• H2N

• N

Which pH is acidic?

• 8

• 7

• 3

• 10

What is the reaction between acids and bases called?

• Single replacement

• Neutralization

• Oxidation

• Double replacement

Complete the equation

HCl + KOH -->

• HOH + HK

• KO + H2Cl

• ClO + KH

• H2O + KCl

What do neutralization reactions always produce?

• water and salt

• stronger bases and acids

• water and conjugates

• only salt

Which of the following is the base to the conjugate acid H2O?

• H3O

• O

• OH

• H2

Water is

• and acid

• a base

• both an acid and base

• neither an acid nor a base

Ammonia floor cleaner is a really strong base, what pH might it have?

• 14

• 9

• 6

• 1

Which of the following is a base?

• H3O

• Ca(OH)2

• NaF

• SiO2