purity and formulations Flashcards
1
Q
what is a pure substance?
A
a substance that is not mixed with any other substance
2
Q
what do pure substances have that is specific?
A
boiling and melting points
3
Q
what do impure substances melt and boil over?
A
impure substances melt and boil over a range of temperatures
4
Q
what is a formulation?
A
a mixture that has been designed as a useful project
5
Q
in a formulation, the quantity of each component is _____?
A
in a formulation, quantity of each component is measured carefully
6
Q
what are some examples of formulations?
A
alloys, paints, fertilisers, fuels and foods