Chemistry Flashcards
1
Q
Why do you need the pH scale?
A
You need the pH scale because it tells you whether it is an Acid or an Alkali
2
Q
What does pH 7 mean?
A
It means It is either an acid or alkali. This means it is neutral
3
Q
What is everything made of
A
Atoms
4
Q
When Magnesium is heated what colour flame does it turn in to
A
A white flame
5
Q
Solids have a fixed shape and cannot flow why?
A
The particles cannot move from one place to another
