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Chemistry (Evidence of Chemical Change (A starting colour disappears, A…
Chemistry
Evidence of Chemical Change
A starting colour disappears
A new colour appears
Gas bubbles form in a liquid
The starting material is used up
Heat is released of absorbed
Grains of solid precipitate form in a liquid
A material with new properties forms
Chemical Properties
Ability to burn
Behaviour in the air
Reaction to heating
Reaction with Acid or Base
Reaction with Water
Evidence of Physical Change
Freezing
Melting
Evaporating
Dissolving
Physical Properties
Quantitive
Melting Point
Boiling Point
Viscosity
Hardness
Density
Conductivity
Solubility
Qualitative
Colour
Odour
State
Texture
Lustre
Malleability
Ionic Compounds
Metal + Non Metal
Example: NaOn
Molecular Compounds
Metal and Metal
Non-Metal and Metal