Changes And Classifications
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PRESENTATION OUTLINE
COMPRESSIBLE
MELTING
The change in state from a solid to a liquid.
FREEZING
The change of state from a liquid to a solid.
CONDENSATION
The change of state from a gas to a liquid
SUBLIMATION
A change directly from the solid to the gaseous state without becoming liquid
PHYSICAL CHANGE
- A CHANGE IN A SUBSTANCE THAT DOES NOT INVOLVE A CHANGE IN THE IDENTITY OF THE SUBSTANCE
CHEMICAL CHANGE
- A SAMPLE OF MATTER, EITHER A SINGLE ELEMENT OR A SINGLE COMPOUND, THAT HAS DEFINITE CHEMICAL AND PHYSICAL PROPERTIES
PRECIPITATE
A SOLID THAT FORMS FROM A SOLUTION DURING A CHEMICAL REACTION.
PURE SUBSTANCE
- A SAMPLE OF MATTER, EITHER A SINGLE ELEMENT OR A SINGLE COMPOUND, THAT HAS DEFINITE CHEMICAL AND PHYSICAL PROPERTIES
MIXTURE
A combination of two or more substances that are not chemically combined
HOMOGENEOUS MIXTURE
A mixture in which substances are evenly distributed throughout the mixture
HETEROGENEOUS MIXTURE
A mixture with uneven distribution of different substances, solids, liquids, gases.
FILTRATION
A process that separates materials based on the size of their particles.
CHROMATOGRAPHY
- A TECHNIQUE THAT IS USED TO SEPARATE THE COMPONENTS OF A MIXTURE BASED ON THE TENDENCY OF EACH COMPONENT TO TRAVEL OR BE DRAWN ACROSS THE SURFACE OF ANOTHER MATERIAL.
