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Biology Practical Solutions

A/L / Chemical & cellular basis of life

Experiment No 01

Identification of starch, non-reducing sugars, reducing sugars, proteins and lipids using simple laboratory tests
Order
PictureItem CodeCode/ Description
 EX 1.1
1% lactose solution
 EX 1.10
Sodium Hydrogen Carbonate (NaHCO3 )
 DTC032EX 1.11
Benedict’s reagent
 DTC201EX 1.12
Sudan III
 DTC142EX 1.13
5% Potassium hydroxide solution
 DTC065EX 1.14
1% Copper sulphate solution 
 DTC131EX 1.15
pH papers
 DTGC162EX 1.16
Test tubes
 DTGC161EX 1.17
Test tube rack
 DTGC019EX 1.18
Bunsen burner
 DTGC138EX 1.19
Spatula
 EX 1.2
1% fructose solution
 EX 1.20
1cm 3 syringe
 EX 1.3
1% glucose solution
 EX 1.4
1% sucrose solution (Analar sucrose)
 EX 1.5
1% starch solution (corn flour is recommended)
 EX 1.7
Egg albumin
 DTC090EX 1.8
Iodine in Potassium Iodide solution
 DTC056/DTC202EX 1.9
Diluted Hydrochloric Acid (HCl)/ Sulfuric Acid (H2SO4)