Question

Qi.Classify the following as reversible changes and irreversible changes.
Melting of ice,Boiling of water,Melting of wax,Burning of crackers,Stretching of a rubber band,Ironing of clothes,Photosynthesis,
rusting of iron, cooking of vegetables.

Answer 1

Answer:

melting of ice is reversible

boiling of water is reversible

melting of wax is reversible

burning of crackers is irreversible

stretching of rubber is reversible

ironing of clothes is reversible

cooking of vegetable is irreversible

Answer 2

Answer:

Melting of ice - reversible

Boiling of water - reversible

Melting of wax - reversible

Burning of crackers - irreversible

Stretching of a rubber band - reversible

Ironing of clothes - reversible

Photosynthesis - irreversible

Rusting of iron - irreversible

Cooking of vegetables - irreversible