Unit 9 - Acids & Bases

Which solution would be least likely to carry an electric current?

• NaCl
• HCl
• C₆H₁₂O₆
• CsI

a solute whose water solution conducts electricity is called a(n)

• nonconductor
• electrolyte
• nonelectrolyte
• aqueous solution

Which of the following is an electrolyte?

• sodium chloride
• sugar
• water

An example of a nonelectrolyte is

• sugar water
• salt water
• sodium chloride
• hydrogen chloride

Which of the following describes a solution containing an electrolyte?

• The solute particles are so firmly bonded that they do not

  break apart.

• The solute particles permit the passage of an electric current.

• It is unstable, and all the solute will precipitate if the solution

  is disturbed.

• It cannot contain any more solute particles

Which of the following containers most likely contains sugar?

A B

• Container A because it forms ions.

• Container B because it forms ions.

• Container A because it does not form ions.

• Container B because it does not form ions.

Identify the salt in the following equation:
Zn(OH)₂ + HNO₃   ---> H₂O  + Zn(NO₃)₂

• Zn(OH)₂
• HNO₃
• H₂O
• Zn(NO₃)₂

In a ____ reaction, an acid and a base produce a salt and a water. 

• concentrated
• decomposition
• dilute
• neutralization

Complete the following reaction:

HCl + Mg(OH)₂ -->

• MgCl₂ + H₂O

• Mg +H₂O

• MgCl₂ + H₂

• MgCl₂ + H₂O + CO₂

Complete the following reaction:

HNO₃ + Ca(OH)₂ -->

• Ca(NO₃)₂ + H₂O

• Ca +H₂O

• Ca(NO₃)₂ + H₂

• Ca(NO₃)₂ + H₂O + CO₂