Chem - Making Insoluble salts

Question 1

What are the soluble salts

Answer 1

SNAP:
- Sodium ( cations)
- Nitrate (Cations)
- Ammonium (Cations)
- Potassium ( Cations)

Question 2

Insoluble salts ( Halides)

Answer 2

PAH:
Pb+ Lead
Ag+ Silver
Hg+ Mercury Hal

Question 3

Insoluble salts (Sulphates)

Answer 3

B.A.C.A.P.S
Ba2+ Barium
Ca2+ Calcium
Pb2+ Lead
s Sulphates

Question 4

All carbonates salts are insoluble except

Answer 4

ScAP:
Sodium
carbonates
Ammonium
Potassium

Question 5

How do you obtain insoluble salts from crystallisation
from mixing two soluble solutions

js focus on crystallisation for this

Answer 5

• mix two soluble solutions by stirring until precipitare
• Filter with filter paper
• wash precipitate with distilled water
• leave to dry in warm oven