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Mention three mixtures that can be separated by sieving.
Solid + solid mixtures.
Mention three insoluble substances.
Sand, flour, rocks, etc.
Mention two mixtures that can be separated by evaporation.
Solutions
Mention three mixtures that can be separated by filtration.
Solid and liquid mixtures.
How would you separate a mixture of sand and pebbles?
Sieving
How would you separate a mixture of sugar and water?
Evaporation.
Mention three reversible changes.
Any reversible changes.
Mention three irreversible changes.
Any irreversible changes.
Mention two factors that affect the solubility of a solute.
Solvent temperature, stir speed, grain size.
Name the two parts of a solution. Give examples.
Solvent and solute. Any examples.
Give one example of a mixture.
Any mixture!
What is a mixture?
A mixture of two or more substances mixed together.
Give an example of a solution.
Any solution!
What is a solution?
A mixture between a solvent (liquid) and a solute (soluble solid).