1.3 Mixtures of substances and diffusion

Question 1

mixture

Answer 1

two or more substances mixed together but not chemically combined - the substances can be separated by physical means

Question 2

solution

Answer 2

is formed when a substance (solute)dissolves into another substance (solvent)

Question 3

solute

Answer 3

The solid substance that has dissolved in a liquid ( the solvent) to form a solution

Question 4

solvent

Answer 4

the liquid that dissolves the solid solute to form a solution, water is the most common solvent but liquids in organic chemistry that can act as solvents are called organic solvents

Question 5

suspension

Answer 5

a mixture containing small particles of an insoluble solid or droplets of an insoluble liquid spread ( suspended) throughout a liquid

Question 6

precipitation reaction

Answer 6

a reaction in which an insoluble salt is prepared from solutions of two soluble salts

Question 7

soluble

Answer 7

a solute that dissolves in a particular solvent

Question 8

insoluble

Answer 8

a substance that does not dissolve in a particular solvent

Question 9

miscible

Answer 9

if two liquids form a completely uniform mixture when added together,they are said to be miscible