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

A bag of cement lying in the open gets wet due to rain during the night. The next day the sun shines brightly. Do you think the changes, which have occurred in the cement, could be reversed?  

 

Answer:

 

No,the cement cannot be transformed again because it has solidified.

Thus, 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