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Mixtures & solutions
Revision
Question | Answer |
---|---|
Salt water is a | solution |
When no more milo can be dissolved in cold milk, the solution is said to be | saturated |
The pulp at the bottom of orange juice is called the | sediment |
The dirt left on filter paper after muddy water is filtered is called | residue |
The substance that dissolves in a liquid is called a | solute |
Any liquid that can dissolve a substance is called a | solvent |
Boiling a liquid to make it turn into steam or vapor is called | evaporation |
Cooling steam or vapor to turn it back into a liquid is called | condensation |
When a liquid has a lot of substance dissolved in it, like strong cordial, the solution is said to be | concentrated |
Adding extra water to cordial is called | dilution |
To separate pasta, rice and salt we used a | sieve/ strainer |
To carefully pour the tea so that the tea leaves stay in the bottom of the cup is | decanting |
The mud and dirt at the bottom of a creek is called | sediment |
When you spin something around to make particles separate it's called | centrifuging |
The water that comes through filter paper is called. | Filtrate |
Getting inks to separate is called | Paper Chromatography |
Using a semi-permeable membrane is a form of | Dialysis |
Dialysis can be used to separate what sort of mixtures? | Solutions |
How does dialysis work? | Stops larger particles from getting through a semi-permeable membrane |
How do you get pure water back once chemicals have dissolved in it? | Distillation |
What separation technique is the best at separating suspensions? (makes water the most clean?) | Centrifuging |
Gold panning is a form of what sort of suspension separating technique? | Decanting |
Straining pasta is a type of... | filtration |
What happens to the state (liquid, gas, solid) of water as distillation occurs? | Water is boiled and turns to steam (gas) and then cools in the condensing cylinder back to liquid water (condensation) which then drips back into a beaker |