Biology PAG 9.3

9.3 : Per students

• 1 X Benedict's regent

• 2 X teat pipettes

• 8 X boiling tubes and rack

• 8 X 5cc syringes

• Water  bath set @ 100 degrees C (Must be hot for Acid)

• HCl 2mol. (Prp. bottle dropper)

• Sodium hydrogen carbonate powder NaHCO3 

• Spatula

• pH paper

• Marker pen

• Stop Clock

• Samples in 125ml beakers labelled A-D

A = Distilled water

B = 1% glucose solution (1g to 100cc distiled water)

C = 2 % sucrose solution (1g to 100cc Distilled water)

D = Protein suspension (Albumen egg powder a small spatula full in about 100mls water)