General Chemistry II - Quiz No. 1.3

Which of the following is a solution?

• air

• mayonaise

• oil and water

• soil

The substance that gets dissolved in a solution is generally called a/an _________________.

• electrolyte

• nonelectrolyte

• solute

• solvent

Which of the following expressions defines molality?

•  $\frac{mass\ of\ solute}{volume\ of\ solution}$  
  

•  $\frac{mole\ of\ solute}{kg\ of\ solution}$  

•  $\frac{mole\ of\ solute}{kg\ of\ solvent}$  

•  $\frac{mole\ of\ solute}{volume\ of\ solution}$  

Which of the following substances is soluble in water?

• Triglycerides

• Silicon dioxide

• Polyethylene terephthalate

• Sodium hydroxide

Which of the following statements is TRUE about solutions?

• It exhibits Tyndall effect.

• The proportions of the materials from any point of the solution are the same.

• Components from a solution can be separated by filtration process.

• Its particles are greater in size in comparison with the particles of colloids.

Which of the following substances is the solvent in air?

• argon

• krypton

• nitrogen

• oxygen

In what phase does the solute in a charcoal filter exist?

• solid

• liquid

• gas

What type of solution is steel?

• aqueous

• gaseous

• solid

The amount of solute present in a solution is usually expressed in concentration units. Which of the following has a correct concentration unit?

• 0.0015 g/mol

• 0.11 psi

• 0.015 atm

• 0.0011 mol/L

Which of the following substances will be miscible in water?

• acetic acid

• chloroform

• heptane

• toluene