Pure And Impure Substances Flashcards
1
Q
What is meant by a pure substance?
A
A substance that consists of just one element or compound
2
Q
Give an example of a useful mixture.
A
An alloy
3
Q
How can you tell if a substance is impure?
A
The substance’s melting point is less than that of the pire substance and it often melts over a range of temperatures.
