Year 8-Mixtures Flashcards
1
Q
What are mixtures?
A
Mixtures are substances that are mixed together
2
Q
Can mixtures be separated?
A
Yes
3
Q
What is a compound?
A
2 elements chemically bonded together
4
Q
What is pure?
A
When an element doesn’t have another substance
5
Q
What is impure?
A
The element is mixed with other elements
6
Q
Do some mixtures exist naturally?
A
Yes, like rock
7
Q
Is seawater a compound or mixture?
A
Compound because it has salt and hydrogen oxide
8
Q
Why are mixtures important?
A
Because chemists can show how many elements are needed to make something.
