Chemistry Flashcards
Revision
1
Q
Where is the hottest part of a blue bunsen flame?
A
Just above the blue cone of the flame
2
Q
Why should you keep the hole closed on a lit bunsen burner when you’re not using it to heat anything?
A
When the hole is closed, you get a yellow flame. When it’s open you get a blue flame. The yellow flame is safer, because the blue flame is hotter and harder to see.
3
Q
If I use electrolysis to separate copper and chlorine, what will happen to the hydrogen?
A
A chemical reaction leading to a bang
4
Q
Name the particles that are found in the nucleus of an atom
A
Protons and neutrons
5
Q
What is the charge of a proton?
A
Positive
6
Q
A
