Give examples to explain the difference between changes that can or cannot be reversed ?
Answers
Explanation:
Melting of ice is a reversible change. ... When ice cubes are kept at room temperature, they turn into water after some time. On the other hand, burning of a piece of paper is an irreversible change.
Extra information :
Reversible changes
Irreversible changes
1. Glowing of electric bulb. (It glows when switched on and becomes dark when switched off.)
1. Burning of paper or wood. (It gives smoke and ash, which cannot form paper or wood again.)
2. Distillation of liquid.
Liquid
condensation
⇌
evaporation
Vapour
2. Rusting of iron. (Rust cannot be changes into iron again.)
3. Sublimation
solid
cool
⇌
heat
vapor
3. Making of curd from milk.
4. Collapsing of mimosa(touch me not) leaves on touching and opening up on removing the finger.
4. Growth of plants and animals