Mixtures

Question 1

What is homogenous ?

Answer 1

a mixture that stays uniform throughout
*no difference in colour or particle concentration can be discerned in this type of mixture

Question 2

eg of homogenous mixture

Answer 2

sea water and alloys

Question 3

heterogenous

Answer 3

a mixture that does not stay uniform throughout.
*dif layers of dif types of particles can be seen

Question 4

eg of heterogenous

Answer 4

oil/water ,sand/water and sand/salt

Question 5

solution

Answer 5

special type of mixture consisting of a solute and a solvent

Question 6

what is a solute and solvent?

Answer 6

a solute is a substance which dissolves in another substance

solvent is a substance which does the dissolving

Question 7

what is a suspension?

Answer 7

a type of mixture consisting of a substance which contains minute but visible particles held floating in the substance

Question 8

what is a colloid

Answer 8

a mixture where the solute particles are bigger than those in a solution but smaller than those in suspension

Question 9

types of molecules

Answer 9

monoatomic , diatomic, triatomic and polyatomic