Pure Substances, Mixtures and Solutions

A pure substance that cannot be broken down into other substances by chemical or physical means.

• compound          

• atom

• mixture 

• element

Which of these is a mixture?

• Laundry Detergent

• Salt (NaCl)

• Oxygen (O)

• Fluorine (Fl)

Air is:

• An element

• A compound

• A mixture

• None of these

What is an example of a mixture?

• iron

• ice

• soil

• gold

Pure substances can be ​ (a)   and

mixtures can be ​ (b)  

• elements or compounds

• elements and homogeneous mixtures

• compounds and homogeneous mixtures

• elements and heterogeneous mixtures

• compounds and heterogenous mixtures

• homogeneous and heterogenous.

Ms. Powers made Kool-Aid for her classes. The sugar and powder mixture was the​ (a)   . The water was the ​ (b)   . The Kool-Aid was the ​ (c)  

• solute

• solvent

• solution

• equation

• salt

• solve

A pure substance...

• is an element or a compound

• is an element or a mixture

• is a compound or a mixture

• is a mixture

Jorge prepared a drink and salad for dinner. The chart lists the ingredients for both.
Using the information in the chart, which statement is the BEST description of the drink and salad?

• The salad and fruit drink are both mixtures.

• The salad and the fruit drink are both solutions.

• The fruit drink is a mixture because the ingredients can't be separated.

• The salad is a solution because the ingredients can't be separated.

Which of the following is classified as a pure substance?

• Lemonade

• Fruit punch

• ketchup

• Helium

A mixture that is uniform and well mixed is _____.

• homogeneous

• hetergeneous

• pure substance

• compoud