Question

(D) Tick ✅ THE ODD-ONE OUT GIVING REASON
1. Formation of biogas from animal dung, Melting of wax, Drying of wet clothes, Folding of filter paper
2. Reversible change, Temporary change, Permanent change, Glowing of an electric bulb
3. Change of milk into curd, Rusting of iron, Evaporation of water, Burning of wood
4. Formation of ice from water, Blowing of balloon, Ignition of a matchstick, Melting of an ice cream​

Answer 1

Answer:

1 formation of biogas(chemical change)

2permanent change (chemical change)

3evaporation of water (physical change)

4ignition of a matchstick (chemical change