Chemistry Flashcards
(8 cards)
1
Q
What the the best method for seperating sand and water?
A
Filtration
2
Q
What the the best method for seperating alcohol ( ethanol) and water?
A
Distillation
3
Q
What the the best method for seperating ink from different coloured pens?
A
Chromatography
4
Q
Does lithium float or sink when it’s added to water?
A
It floats on the water
5
Q
How does lithium react with water?
A
It fizzes
6
Q
How does sodium react with water?
A
It burns a lot and fizzes
7
Q
How does potassium ( K ) react with water?
A
Smokes and burns then pops
8
Q
The gas given off is called …
A
Hydrogen
