PAG 1 Flashcards
1
Q
1.3 Determination of the formula for magnesium oxide
Why did you need to raise the crucible lid slightly when you first heated the magnesium?
A
To let oxygen enter so it could react with the magnesium
2
Q
The formula from this experiment often shows slightly less oxygen than is present in pure magnesium
oxide. Suggest why this should be so.
A
3
Q
What was the purpose of breaking up the magnesium oxide whilst heating the contents of the crucible
strongly for 5 minutes?
A
