Question

Identify the physical and chemical change(1)Burning of wood (2) cutting of a paper (3) Melting of wax (4) Formation of clouds (5) Explosion of crackers (6) Rusting of iron (7) Digestion of food (8) Change in colour of cut fruits(9) Crystallisation (10) Burning of dry leaves​

Answer 1

Answer:

Physical changes:

Chopping wood

Mixing sand and water

Crushing a can

Mixtures of different coloured buttons

Chemical changes:

Rusting of iron

Digestion of food

Boiling egg

Rotting banana

Burning of wood

Explanation:

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Answer 2

Answer:

1,2,3,5,6,7,8,9,10 are chemical changes

3 is physical changes