CC2a Flashcards
1
Q
what does a mixture contain
A
elements and/ or compounds that aren’t chemically joint together you can use physical processes to separate mixtures into different substances
2
Q
what is a compound
A
a substance that contains two or more elements that are chemically combined
3
Q
how do impure substances melt
A
At a temperature range
4
Q
how do pure substances melt
A
at the same temperature
