A4 The diagram beow shows the properties and reactions of some substances.
Green Crystals
E
heat
gently
Colourless liquid F
turns anhydrous
copper(ll) sulphate
blue,
2]
Ada
water
Pale green
-2]
Add diluto nitric
acid and aqueous
silver nitrate
White
precipitate 1
solution E
Add a few drops of aqueous sodium hydroxide
f
[1]
Green precipitate
air
Red-brown
precipitate H
een
[2]
10)
A5 Identify, by name or formula:
(a) The green precipitat
[1]
(b) The white precipitate !
(c) The red brown precipitate H
(1)
(d) The colourless liquid F
(0)
Total 5]
(e) The green crystals E