AS practical 1

AS practical 1 Water Crystallisation : 

HazCard :

• Beaker of Hydrated magnesium sulfate (MgSo4.7H2O) with spatula by each balance (about 3g)

• balances weighing boats

• splints/ matches to light Bunsen burners

• HPM

• boiling tubes (Could be done with crucibles and tongs, but safer with BT)

• boiling tubes holders/  tongs

• Bunsen burner