Separation Techniques Flashcards
What is the difference between pure substance and a mixture
A pure substance is made of the same type of particle, same physical and chemical properties. Mixture 2 or more pure substances, aren’t chemically joined, separate easily
Examples of mixtures
Sea water
Cement
Mud
Definition of Mixture
Made up of a number of pure substances and are relatively easy
Whats a solution
A solute dissolved in a solvent e.g salt water
Whats a solvent
The liquid use to dissolve e.g water
Solute
The substance that is dissolved e.g salt
Why is water an important solvent
because it is capable of dissolving more substances than anything else
Difference between soluble and insoluble substance
Soluble can be dissolved and insoluble cannot
Define an element
Made of the same type of atom
Define a compound
Made of two or more elements that are chemically bonded