Mixture and Solution review pt 1

1.      When you make salt water, the water is considered to be the ________________________.

• solute

• solution

• solvent

1.      The formulas H₂O₂, CO₂, and Al₂O₃ are examples of:

• compounds

• mixtures

• elements

Tags

NGSS.MS-PS1-1

What type of solution can still have more solute dissolved in it?

• compound

• saturated

• unsaturated

What is the smallest possible piece of an element called?

• atom

• molecule

• compound

Sand and iron particles that are similar in size and color are mixed together in a beaker. 

What would be the best method of separating the particles?

• Use tweezers to separate them.

• Use a magnet to separate them.

• Add water to the mixture.

Substances that CANNOT be broken down chemically into other substances are

• elements

• compounds

• mixtures

Which of the following can increase the rate at which a solute dissolves?

• cooling

• heating

• freezing

Tags

NGSS.MS-PS1-4

_________ is a mixture.

• soil

• salt

• water

Tags

NGSS.5-PS1-4

When ordinary table salt is dissolved in water, the result is a mixture called

• an atom

• a molecule

• a solution

Kayla pours a mixture of sand and saltwater through a filter into a beaker.

What will Kayla find in the filter?

• sand

• salt

• sand and salt