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Chemical and Physical Changes

Cridts

Parspapate

definition

image

Reactivity

exzamples

Definition

rusting

Reactivity is when tow or more thing react chemically to each other. Explosions, rusting, and all Chemical changes are due to this. An objects reactivity decides what it react to .

explosion

physical changes

Definition

Examples

A physical change is when an object changes form but doesn't change it's chemical properties.

This is not a chemical change because

the properties of the paper and paint do not change. This applies to some types of color change.

chemical change

Examples

Definition

chemical change is when two or more things

chemically react.This includes tarnish, reactivity,precipitate, some types of color change, or the production of something new in gas, solid,or liquid form.

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