Solutes and Solvents
What is a solute?
A substance that is dissolved in the solution.
What is evaporation used to separate?
Homogenous mixtures (solutions)
Where does the petroleum industry get oil?
The ground.
What is sewage?
Wastewater that comes from toilets, baths, showers and sinks.
What is saturation?
When no more of something can be absorbed, combined or added.
Solute = sugar. Solvent = water.
Does magnetism work on nickel?
Yes.
How do they separate petroleum into its more useful components?
Distillation
Oils spills is an example of harm to the environment. What is another example?
Broken pipelines, sewage pollution, factory waste.
What is concentration?
The quantity of solute in a solution
What happens when particles are not attracted to each other?
They separate.
What is a sieve?
A utensil used for separating different sized particles.
What process is used on uranium after it has been crushed?
Dissolved, then Evaporated.
What do pesticides protect against?
Insects
What harmful chemicals do technological devices contain?
Lithium, mercury and lead.
What is a simple solution?
Two substances that are mixed together.
Distillation involved boiling the mixture until what happens?
One component turns to a vapour.
What is a salt pan for?
To separate the solid salt from the water.
What are the advantages of uranium use?
It is not burned, and causes minimal air pollution.
What is the number one producer of toxic heavy metals in landfills?
Electronic waste
Is hot chocolate mix a solute or solvent?
Solute
How would you separate a mixture of sand and rocks?
Sifting
Evaporation
What are the long-term effects of pesticides exposure?
Respiratory failure, skin defects and eye damage.
Baking