Question

8.2 Give examples to explain the difference.
between changes that can or
cannot be
reversed.​

Answer 1

Explanation:

Give examples to explain the difference between changes that can or cannot be reversed. Answer: 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.

Answer 2

IF CAN BE OF PERMANENT SETTING..

YOU CAN SEE DOWN

Explanation:

Answer: 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..........ANSWER

Examples of reversible and irreversible changes.

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.