Joel New Project
Joel New Project
Joel New Project
BISHNUPUR,MANIPUR
PROJECT ON CHEMISTRY
of this project.
during my work.
CERTIFICATE
This is to certify that Moirangthem
Joel singh of class XII (Science) of Jawahar
Navodaya Vidyalaya Bishnupur,Manipur
has completed the Investigatory Project
in Chemistry titled "Study Of Quantity
Of Casein present in Different Samples of
Milk"himself under the supervision and
guidance of Chemistry Teacher Madam
Murati during the year 2022-23.
The progress of the project has been
continuously reported and has been in
my knowledge consistently.
........................... ...............................
PRINCIPAL SIGN SUBJECT TEACHER SIGN
INTRODUCTION
What is Casein ?
forms curd.
APPLICATIONS:
In addition to being consumed in milk casein is used in the
THEORY:
Milk contains 3% to4% casein suspended in water in colloidal
APPARATUS REQUIRED:
Funnel, funnel stand, glass rod, filter paper, weight box, test tubes,
CHEMICALS REQUIRED:
(i)Different samples of milk.
beaker.
flame. Now, add 1% acetic acid solution drop wise with stirring
7. Filter the precipitated casein and wash with distilled water and
dry it.
9. Repeat the whole experiment with cow's milk, goat's milk and
sheep's milk.
OBSERVATIONS:
PRECAUTIONS:
1. Handle apparatus and chemicals carefully.
and wait some time for fat and casein to precipitate out.
machine only.
BIBLIOGRAPHY
܀www.wikipedia.com
܀www.encyclopedia.com
܀www.caesine-pro.com
܀www.sciencejournals.com
܀www.icar.nic.in
܀www.zetascience.com
܀www.scribd.com