Rohan tore a sheet of paper into pieces and then burnt them. Identify the irreversible change taking place in the process.
A Tearing the sheet into pieces.
B Burning the pieces
C Both tearing and burning the pieces
D None of these.
Ans 3:
Class : Class 7
it would be c because tearing of paper and burning of it cannot be brought back to what it was a while age. Thus, it is irreversible change.
Ans 5:
Class : Class 9
The correct answer is option c after burning paper and pieces we cannot bring them back...But in 2030 or 40 or betweem them i hope that time machine is made then it can ve reversible
Ans 6:
Class : Class 10
jguk;p jie gffbgmtft boip kio tog boyh rjoouyti. thay tis vy? n ot bec auseofthat. itis becaus