Types of Mixtures
Which type of mixture is uniformly distributed?
Homogeneous
Give an example of a solution
Saltwater
How would you separate dirt from muddy water?
What is an aim?
What you are going to do in the experiment.
Which type of mixture is NOT uniformly distributed?
Heterogeneous
What is the universal solvent?
Water
Magnetic separation.
What is a hypothesis?
A testable prediction
Suspension
What is the solvent in saltwater?
Water
How would you separate salt from saltwater?
Evaporation
What is a method?
step by step procedure on what to do
In which type of mixture would a beam of light pass almost straight through?
Solution
Is a solution homogeneous or heterogeneous?
Homogeneous
Which property of a suspension allows it to be decanted?
The particles settle over time.
Summarise the results and state if the hypothesis was true or not.
What is a colloid?
Particle size between a suspension and solution. Does not settle but does not dissolve.
What is the solute in copper sulfate solution?
Copper sulfate
Why does chromatography work?
Different pigments have different solubilities.
What are the 3 types of variables in an experiment?
Independent, dependent, controlled