practical 21.5 Cambridge international as a level

Practical 21.5 C int AS/A level :

HazCard : (Step 1) (Step 2)

• Calcium hydroxide Solid (Ca(OH)2

• HCl 0.1 mol (standardised)

• Sodium Hydroxide 0.05 mol (25cc each)

• Sodium hydroxide 0.1mol (100CC each)

• Phenolphthalein indicator sol.

• Distilled water

• 3 X stoppered bottle 250 cc

• 4 X conical flask 250 cc

• Labels for bottles

• Spatula

• 4 X dry filter funnels with paper

• Pipette 25cc (Both step)

• pipette filler (Both step)

• measuring Cylinder 100cc

• Burette and stand

• White tile

• Small funnel

• Thermometer

• glass pens

• safety glasses