Separating Mixtures

a substance that has two or more substances mixed together is called a

• solution

• mixture

• solvent

• solute

In a solution of salt and water, what is the solute?

• salt

• water

• salt and water

• solution

In a solution of salt and water, what is the solvent?

• salt

• water

• salt and water

• solution

Which of the following is an example of a solution?

• • Sand in water

• • Oil and water

• • Salt in water

• • Water and marbles

What is a dilute solution?

• • A solution with a small amount of solute compared to the solvent

• • A solution with a large amount of solute compared to the solvent

• • A solution that cannot dissolve any more solute

• • A solution with no solute at all

If you add more water to a concentrated solution, it becomes:

• • More concentrated

• • Less concentrated

• • Saturated

• • Solid

What process can be used to separate a mixture of sand and water?

• • Filtration

• • Evaporation

• • Distillation

• • Chromatography

Which method is best for separating salt from water?

• • Sieving

• • Filtration

• • Evaporation

• Decantation

What method is used to separate dyes in ink?

• • Distillation

• Chromatography

• • Evaporation

• Filtration

In a mixture of oil and water, how can the two substances be separated?

• • Chromatography

• • Distillation

• • Filtration

• Decantation