Release of compressed spring is ........
An irreversible change
a reversible change
a non - periodic change
periodic change
Under which type of change do we classify the seasonal changes.
Fast change
Undesirable change
Periodic change
Non - periodic change
The method used to separate the seeds from the fruit juice is
Filtration
Sieving
Crystallization
Magnetic separation
Which of the following changes is a non - periodic change?
Heart beat
Earth quake
Occurence of day and night
Oscillation of pendulum
Preparation of chapathi is ......
fast change
desirable change
reversible change