mixtures Flashcards
(4 cards)
1
Q
what is a mixture
A
substances that are not chemically joined just mixed up
2
Q
state 2 differences of a mixture and compound
A
-mixture is not joined together compound is
-mixture is easy to separate compounds use a chemical reaction
3
Q
describe how to find out if a sample of a substance is pure
A
a pure substance has a sharp melting point
4
Q
A
