Mixtures: Physical and Chemical Changes

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Conservation of Mass
A physical law that states that matter is not created or destroyed during a chemical reaction.
Physical Change
A change of matter in size, shape or state that does not change the type of matter.
Mixture
A physical combination of two or more substances that are blended together without forming new substances.
Solubility
The maximum amount of a substance that can be dissolved by another substance.
Solution
A mixture of substances that are blended so completely that the mixture looks the same everywhere.
Chemical Change
A change of matter that occurs when atoms link together in a new way, creating a new substance different from the original substances.
Chemical Properties
Properties that are observed when matter changes.
Chemical Reaction
An event that occurs as two or more substances are combined to form a new substance.
Product
A substance at the end of a chemical reaction.
Reactant
An original substance at the beginning of a chemical reaction.
Physical Property
A characteristic of matter that can be observed or measured without changing the matter itself.
Solvent
The liquid that dissolves something.
Solute
The substance being dissolved.
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