Question

List any 5 reversible and irreversible changes

Answer 1

Reversible changes
1. stretching of rubber band
2. evaporating of water
3. melting of ice
4. Switching off of a bulb.
5. breaking of a iron rod.

Irrecmversible
1. changing of milk to curd
2. burning of paper
3. burning of petrol
4. burning of wood.
5. burning of coal

Answer 2

1 condensation 2evaporation 3 solidification 4 melting 5 sublimation


1cutting of Apple 2changing milk in curd 3 burning of paper 4 rusting 5 hatching of egg