7th Properties of Solutions and Mixtures

A pure substance that cannot be separated into simpler substances by chemical or physical means.  

• Element
• Compound
• Mixture
• Chemical

How does temperature affect the solubility of a solute in a solvent?

• Increasing temperature increases the solubility of a solute in a solvent.

• Decreasing temperature increases the solubility of a solute in a solvent.

• Increasing temperature decreases the solubility of a solute in a solvent.

• Temperature has no effect on the solubility of a solute in a solvent.

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

A type of mixture where the substances are evenly mixed together.

• solvent

• solute

• solution

• solubility

__________ is the measure of solute in a solution

• evaporation

• volume

• concentration

A mixture is.......

• a change of matter that occurs when atoms link together in a new way.

• a chemical reaction that changes a solution.

• a physical combination of two or more substances that are blended together without forming new substances.

How does agitation help in dissolving a solute more quickly?

• It increases the temperature of the solvent

•  It increases the weight of the solute

• It brings fresh solvent into contact with undissolved solid

• It changes the shape of the solvent

Freshly brewed black coffee

• Heterogeneous

• Homogeneous

After reading about the kinds of changes that occur, Liz saw some rust

on a pipe that was going into her house. What kind of change is the

formation of rust?

• reactant

• chemical

• physical

• evaporation

More substances dissolve in ________ than any other chemical.

• Co2

• Salt

• water