Reference No:010

Module: BYB1

Year: 1

COSHH:-by01-07

Experiment: food tests    A  KNOWN B UNKNOWN  C Food

Please state if you want to use water baths (80 o)  or bunsen burners and which of ABC you want

A known                         B  Unknown                              C   Food

·        Starch      to make see below     Glucose + egg albumin                           cereals

·        Glucose                                      Starch + glucose,                                     bread  

·        Egg Albumin                              starch + egg albumin                              fruit, apples, bannanas.

      Sucrose                                       Sucrose + starch                                      Mortars and pestles

·         oil                               

Items needed

·        Distilled Water

·        5% KOH

·        Iodine solution

·        Benedicts solution

·        Ethanol

·        Copper Sulphate solution

·        Dilute HCL

·        Sodium Hydrogen carbonate powder

·        Litmus paper.

Hardware Required:

Boiling tubes  + holder

Lighters + spills

glasses

Notes to make samples (add  about 2 table spoonfuls to 1 litre)

starch slake with water then add boiling water

Glucose and Sucrose dissolve in boiling water then make up to amount with cold water

Albumin   Do not use hot water or boiling water only cold water    

Oil straight from bottle