Unit 15 Worksheet 1

A strong acid ____________________.

• ionizes completely in solution.

• produces hydronium ions in solution.

• reacts with metals that are more active than hydrogen.

• All of the above

Which of the following characteristics describes a base?

• reacts with oils in the skin and converts them to acids

• forms alkaline solutions

• is a nonelectrolyte

• None of the above

Which of the following substances is a weak base?

• NH3

• KOH

• K2O

• NaOH

Strong acids are ___________________.

• strong electrolytes.

• weak electrolytes.

• nonelectrolytes.

• nonionized.

Hydroxides of Group 1 metals ______________.

• are all strong bases

• are all weak bases.

• are all acids.

• do not dissociate in solution.

Strong bases are _________________.

• strong electrolytes.

• weak electrolytes.

• non-electrolytes.

• also strong acids.

Which of the following is not a strong acid?

• HCl

• H2SO4

• CH3COOH

• HBr

A highly polar molecule containing a weak bond between a H- atom & others element would be______.

• a weak acid.

• unable to ionize completely.

• a nonelectrolyte.

• a strong acid.

An Arrhenius acid is a chemical compound that ____________.

• does not conduct electricity.

• increases the concentration of H+ ions in solution.

• reacts with water to remove H+ ions.

• dissociates to release OH-& H+ ions in a solution.

An Arrhenius base is a chemical compound that ____________.

• does not conduct electricity.

• increases the concentration of OH- ions in solution.

• reacts with water to remove H+ ions.

• dissociates to release OH-& H+ ions in a solution.