1
Q
What happens when u add sodium hydroxide to copper
A
It turns blue
2
Q
What happens when u add sodium hydroxide to iron
A
It goes a mucky brown colour
3
Q
What happens if u add sodium hydroxide to ammonium
A
Gas turns red litmus paper blue
4
Q
How do u find out if something is a carbonate
A
Add acid If it bubbles the limewater will then cloudy
5
Q
How do u make sulphate
A
Add barium chloride to make white precipitate
6
Q
How do u make nitrates
A
Add aluminium , test again for ammonia gas
7
Q
How do u calc moles?
A
Concentration x volume.
Chemistry C3
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