DESCRIPTION

How to use preservatives in everyay life and history of preservatives. Prservatives usefull and harmfull for body. Blooger link:(https://omdasraj03.blogspot.com/2021/05/egypt-preservatives.html) Video link:(https://youtu.be/JzaBiWjczAw) Scratch game link:(https://scratch.mit.edu/projects/527090324)

OTHER STUDENTS
Nisha Rani Aanchal ojha 
OTHER TOPICS
Biology 
Uploaded By
Om Das
Khanna High School
Class : XI
Subject : Chemistry
Language : Hindi
Topic : Chemistry in Everyday Life
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