The change in which the substance cannot be converted back into its
reversible
irreversible
undesirable
periodic change
Preparation of chapathi is ......
fast change
desirable change
reversible change
Release of compressed spring is ........
An irreversible change
a reversible change
a non - periodic change
The method used to separate the seeds from the fruit juice is
Filtration
Sieving
Crystallization
Magnetic separation