Check sibling questions
Class 6
Chapter 6 Class 6 - Changes around us

A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage

on a fractured bone. It becomes hard on drying to keep the fractured bone

immobilized. Can the change in POP be reversed ?    

 

Answer:

On drying of POP, a hard substance is formed by chemical change.This cannot be reversed again to form paste.So, it is an irreversible process.

Maths Crash Course - Live lectures + all videos + Real time Doubt solving!

Ask a doubt (live)
Maninder Singh's photo - Co-founder, Teachoo

Made by

Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Economics, Accounting and English at Teachoo