Seperating mixtures Flashcards
What is a pure substance?
A substance that is made up of βοΈ type of particle.
π΄π΄π΄π΄π΄π΄ π΄π΄π΄π΄π΄π΄ π΄π΄π΄π΄π΄π΄ π΄π΄π΄π΄π΄π΄ π΄π΄π΄π΄π΄π΄ π΄π΄π΄π΄π΄π΄
Define a βMixtureβ.
βπΎ or more substances with different physical properties mixed together.
What are physical properties?
Special characteristics used to describe the particles of a substance.
Examples of pure substances.
Gold, water, salt, carbon dioxide etc.
How does a mixture form?
The particles of one βοΈ substance move in between the particles of another substance.
How can you separate a mixture?
We can separate a mixture according to its properties using physical methods
What is sieving?
Method where sieve is used to separate a mixture of different sized particles (solids).
What is filtration?
Method used to separate a solid from a liquid.
Definr the term βInsolubleβ.
A solid thet doesnβt dissolve in a liquid.
How does hand sorting work?
We can sort a mixture that is made up of solid particles by size, colours, textures or shapes by hand.
What does dissolve mean?
When the solif particles move between the liquid particles to gorm a mixture.
What makes a solution?
A mixture that consistd of a solid dissoved in liquid.
Whatβs a solute?
A substance that dissoves when making a solution.
Whatβs a solvent?
The liquid in a solution.
What is evaporation?
The of changing from a liquid to a gas because particles on the surface of the liquid escape into the atmosphere.