Physical change Flashcards
What are the 3 states of matter?
Solid, liquid and Gas
Why do we use models?
To represent something difficult or invisible
What are the 2 types of models
Physical and Abstract
What is the process of a solid turning into a gas and vice versa?
Sublimation and deposition
What is the process of a solid turning into a liquid and vice versa?
Melting and freezing
What is the process of a liquid turning into a gas and vice versa?
Evaporation and condensation
What is a pure substance?
a single substance made of only one type of particle.
What is the definition of soluble?
A substance that dissolves in a liquid
What is the definition of insoluble?
A substance that does not dissolve in a liquid
What is the solvent
The liquid that the solute is dissolving in
What is the filtrate?
The liquid that is collected in the flask after filtration
What is the solute?
The solid that dissolves in the solvent
What is the solution?
A homogenous mixture formed from a solute dissolving in a solvent
What is the residue?
The solid left behind on the filter paper after filtration
What are 2 examples of separating techniques?
Filtration and crystallisation
