Home Physics Chemistry Exam Papers Experiments How to Examine a Substance

Physical Properties:

State: Solid, Liquid or Gas

Colour: What Colour if any?

Smell: What does it smell like

Solubility in water.

 

Solid: Is it crystalline or amorphous
Liquid: If it flows quickly we say it has low viscosity, if like honey or treacle it flows slowly we say it has a high viscosity or it is a viscous liquid.

Chemical Properties

An example of a chemical property of iron is that it rusts.
A substance that “catches fire” is flammable.
A substance that helps other substances to burn supports combustion, but doesn’t burn itself.
Acids turn litmus red
Bases turn litmus blue

 

·        The German chemist Bunsen invented the Bunsen burner and improved many pieces of laboratory equipment.