Separation Techniques and Solutions Quiz

What is the process called when a solid dissolves in a liquid?

• Melting

• Evaporation

• Dissolving

• Filtration

What is the process of removing a liquid from a solution by heating called?

• Filtration

• Evaporation

• Melting

• Distillation

Which of the following is a mixture?

• Pure water

• Table salt

• Air

• Gold

What does the term "soluble" mean?

• Able to dissolve in a solvent

• Unable to dissolve in a solvent

• Melts when heated

• Forms crystals easily

What does the term "insoluble" mean?

• Able to dissolve in a solvent

• Unable to dissolve in a solvent

• Changes color in water

• Melts at low temperature

Which of the following can make water a better solvent?

• Cooling it down

• Adding more solute

• Heating it up

• Freezing it

How can you get more solute to dissolve in a saturated solution?

• Cool the solution

• Add more solvent

• Remove the solute

• Stop stirring

Which is a feature common to all crystals?

• They are always liquid

• smooth surfaces and sharp edges

• They dissolve in oil

• They are always colored

Which of the following is a mixture?

• Oxygen gas

• Table salt

• Lemonade

• Gold

How can soluble solids be recovered from a solution?

• By evaporation

• By filtration

• By chromatography

• By using a magnet