Mixtures vs. Pure Substances

1. Separating Techniques

1.1. Heating up: You can isolate the solvent from water by boiling it. Ex: Salt from water

1.2. Magnets: You can take out anything magnetic for a mixture. Ex: irion out of sand + salt.

1.3. Filter: You can use the filter to separate sand from water. Ex: Sand from water

2. Mixtures

2.1. What is a Mixture?

2.1.1. Physically combined structures that are able to be separated.

2.1.1.1. A mixture is heterogeneous.

2.1.1.1.1. Examples of mixtures are sand + water, salt+sugar, soda,and salt + pepper.

2.1.1.1.2. Heterogenous means to indicate a process involving substances in a different phase.

3. Pure Substances

3.1. What is a Pure Substance?

3.1.1. Elements and Compounds

3.1.1.1. A pure substance is homogenous

3.1.1.1.1. Examples of pure substances are diamonds, tin, salt, water, and argon.

3.1.1.1.2. Homogenous means that it is consisting of the same material.