Mixtures & Solutions I-Check 2 Practice

When one substance dissolves in another and the particles are distributed uniformly throughout the other substance is a

• Mixture

• Solution

Which of the following is NOT a solution?

• Chocolate milk

• Lemonade

• Soda

• Sand & iron filings

The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as...

• decanting

• loading

• evaporation

• chromatography

How do you know when you have a solution?

• When the liquid becomes cloudy

• When the solid material sinks to the bottom

• When the solid materials dissolves in the liquid

• When the solid material floats on top of the liquid

Water is a solvent or a solute?

• Solute

• Solvent

Saturation is reached when the solute (salt) no longer dissolves in the solvent (water).

• True

• False

How do you dilute a concentrated solution?

• Add more solid material

• Add more liquid

• Evaporation

• Filter the solution

How can you tell a solution is more concentrated than another?

• The solution weighs more

• The solution is clear

• The solution weighs less

• The solution has a lighter color

The process that causes liquid to dry up leaving any solid behind.

• Solution

• Dilute

• Property

• Evaporation

If a quarter sinks to the bottom of a cup of water, this shows that

• the quarter is less dense than the water

• the quarter is more dense than the water

• the quarter absorbed water and then sank

• solid objects sink