Topic 2: States of Matter and Mixtures Flashcards
(10 cards)
1
Q
What are the three states of matter?
A
Solid, Liquid, Gas.
2
Q
What happens during melting?
A
A solid turns into a liquid.
3
Q
What is a pure substance?
A
A substance made of only one type of element or compound.
4
Q
What is filtration used for?
A
Separating an insoluble solid from a liquid.
5
Q
What is crystallisation used for?
A
Separating a soluble solid from a solution.
6
Q
What is distillation?
A
Separating a liquid from a solution by boiling and condensing.
7
Q
What is paper chromatography?
A
A method to separate mixtures of dyes or pigments.
8
Q
What does a pure substance show on a chromatogram?
A
One spot.
9
Q
What is potable water?
A
Water that is safe to drink.
10
Q
Name two methods of water purification.
A
Filtration and chlorination.
