SPS6 Review: Solutions

A solution is a (a)   mixture of two or more substances.

• homogeneous
• heterogeneous
• colloidal
• suspension

(a)   is an example of a solution.

• A) Oil and water
• B) Salt dissolved in water
• C) Sand and iron filings
• D) Vinegar and oil

In a solution, the substance being dissolved is called the ________, and the substance doing the dissolving is called the ________.

• solute; solvent

• solvent; solute

• mixture; compound

• compound; mixture

In a solution of sugar dissolved in water, sugar is the (a)   and water is the solvent.

• solute
• solvent

Which of the following statements about conductivity is true?

• All solutions conduct electricity

• Only solutions with ions conduct electricity

• Sugar dissolved in water conducts electricity

• Conductivity does not depend on ions

What are the three main factors affecting the rate at which a solute dissolves in a solvent?

• Temperature, surface area, agitation

• Pressure, color, density

• Volume, mass, boiling point

• Viscosity, polarity, refractive index

Which of the following increases the dissolution rate?

• Lower temperature

• Higher temperature

• No change in temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Sugar dissolves faster in ____ tea than in cold tea.

• hot

• iced

• green

• black

Tags

NGSS.MS-PS1-4

Which method does NOT increase the surface area of a solid?

• Crushing solids

• Using larger particles

• Breaking larger pieces into smaller ones

Stirring or shaking a solution increases the dissolution rate.

• True

• False