Mixtures and Solutions

A mixture in which the solute dissolves is called a

• Trail mix

• Solvent

• Solution

In a salt and water solution, the solvent is

• salt

• water

In a salt and water solution, the solute is

• salt

• water

Which of these is a method of separating mixtures?

• screening

• evaporation

• filtering

• all are methods

An example of a solution is

• trail mix

• lemonade

• cement

• cereal and milk

What is the mass of a solution that has 10 g of salt and 30 ml of water?

• 20 g

• 20 ml

• 40 g

• 40 ml

If you the solution of 10 g salt and 3o ml water on a windowsill for a few days, what amount of substance would be left on the bottom?

• 30 g

• 10 g

• 20 g

Knowing the particle size of the materials in a mixture will help you

• know if it will dissolve

• know what crystals will look like

• know which tools to use to separate

• how much mass it has

You scoop up a bucket at the beach that has sand, ocean water, and seashells. Which tool would best separate the seashells?

• screen

• filter

• evaporation

You scoop up a bucket at the beach that has sand, ocean water, and seashells. Which tool would best separate the sand?

• screen

• filter

• evaportation